diff --git a/telegram/client.go b/telegram/client.go
index df983eb..c6acde1 100644
--- a/telegram/client.go
+++ b/telegram/client.go
@@ -31,6 +31,7 @@ type MUCState struct {
 type MUCMember struct {
 	Nickname    string
 	Affiliation string
+	Role        string
 }
 
 func NewMUCState() *MUCState {
diff --git a/telegram/commands.go b/telegram/commands.go
index f96598e..b43f2f8 100644
--- a/telegram/commands.go
+++ b/telegram/commands.go
@@ -855,7 +855,7 @@ func (c *Client) ProcessChatCommand(chatID int64, cmdline string) (string, bool,
 			return "Contact not found", true, false
 		}
 
-		err = c.Kick(chatID, contact.Id, "")
+		err = c.SetChatMemberStatus(chatID, contact.Id, ChatMemberStatusKicked, 0, "", "")
 		if err != nil {
 			return err.Error(), true, false
 		}
@@ -878,15 +878,7 @@ func (c *Client) ProcessChatCommand(chatID int64, cmdline string) (string, bool,
 				}
 			}
 
-			_, err = c.client.SetChatMemberStatus(&client.SetChatMemberStatusRequest{
-				ChatId:   chatID,
-				MemberId: &client.MessageSenderUser{UserId: contact.Id},
-				Status: &client.ChatMemberStatusRestricted{
-					IsMember:            true,
-					RestrictedUntilDate: c.formatBantime(hours),
-					Permissions:         &permissionsReadonly,
-				},
-			})
+			err = c.SetChatMemberStatus(chatID, contact.Id, ChatMemberStatusMuted, hours, "", "")
 			if err != nil {
 				return err.Error(), true, false
 			}
@@ -907,15 +899,7 @@ func (c *Client) ProcessChatCommand(chatID int64, cmdline string) (string, bool,
 				return "Contact not found", true, false
 			}
 
-			_, err = c.client.SetChatMemberStatus(&client.SetChatMemberStatusRequest{
-				ChatId:   chatID,
-				MemberId: &client.MessageSenderUser{UserId: contact.Id},
-				Status: &client.ChatMemberStatusRestricted{
-					IsMember:            true,
-					RestrictedUntilDate: 0,
-					Permissions:         &permissionsMember,
-				},
-			})
+			err = c.SetChatMemberStatus(chatID, contact.Id, ChatMemberStatusUnmuted, 0, "", "")
 			if err != nil {
 				return err.Error(), true, false
 			}
@@ -943,13 +927,7 @@ func (c *Client) ProcessChatCommand(chatID int64, cmdline string) (string, bool,
 			}
 		}
 
-		_, err = c.client.SetChatMemberStatus(&client.SetChatMemberStatusRequest{
-			ChatId:   chatID,
-			MemberId: &client.MessageSenderUser{UserId: contact.Id},
-			Status: &client.ChatMemberStatusBanned{
-				BannedUntilDate: c.formatBantime(hours),
-			},
-		})
+		err = c.SetChatMemberStatus(chatID, contact.Id, ChatMemberStatusBanned, hours, "", "")
 		if err != nil {
 			return err.Error(), true, false
 		}
@@ -963,11 +941,7 @@ func (c *Client) ProcessChatCommand(chatID int64, cmdline string) (string, bool,
 			return "Contact not found", true, false
 		}
 
-		_, err = c.client.SetChatMemberStatus(&client.SetChatMemberStatusRequest{
-			ChatId:   chatID,
-			MemberId: &client.MessageSenderUser{UserId: contact.Id},
-			Status:   &client.ChatMemberStatusMember{},
-		})
+		err = c.SetChatMemberStatus(chatID, contact.Id, ChatMemberStatusUnbanned, 0, "", "")
 		if err != nil {
 			return err.Error(), true, false
 		}
@@ -981,21 +955,13 @@ func (c *Client) ProcessChatCommand(chatID int64, cmdline string) (string, bool,
 			return "Contact not found", true, false
 		}
 
-		// clone the permissions
-		status := client.ChatMemberStatusAdministrator{
-			CanBeEdited: true,
-			Rights:      &permissionsAdmin,
-		}
-
+		var customTitle string
 		if len(args) > 1 {
-			status.CustomTitle = args[1]
+			customTitle = args[1]
 		}
 
-		_, err = c.client.SetChatMemberStatus(&client.SetChatMemberStatusRequest{
-			ChatId:   chatID,
-			MemberId: &client.MessageSenderUser{UserId: contact.Id},
-			Status:   &status,
-		})
+		// clone the permissions
+		err = c.SetChatMemberStatus(chatID, contact.Id, ChatMemberStatusPromoted, 0, customTitle, "")
 		if err != nil {
 			return err.Error(), true, false
 		}
diff --git a/telegram/utils.go b/telegram/utils.go
index dd919ee..f437fc9 100644
--- a/telegram/utils.go
+++ b/telegram/utils.go
@@ -131,6 +131,17 @@ func NewMessageLimitSince(since int64) *MessageLimit {
 
 const AVATAR_SIZE_LIMIT int64 = 128 * 1024
 
+const (
+	ChatMemberStatusIllegal = iota
+	ChatMemberStatusKicked
+	ChatMemberStatusMuted
+	ChatMemberStatusUnmuted
+	ChatMemberStatusBanned
+	ChatMemberStatusUnbanned
+	ChatMemberStatusPromoted
+)
+type ChatMemberStatus int
+
 // GetContactByUsername resolves username to user id retrieves user and chat information
 func (c *Client) GetContactByUsername(username string) (*client.Chat, *client.User, error) {
 	if !c.Online() {
@@ -512,6 +523,7 @@ func (c *Client) ProcessStatusUpdate(chatID int64, status string, show string, o
 				gateway.SPFrom(gateway.MUCNODE(mucId)),
 				gateway.SPResource(member.Nickname),
 				gateway.SPMUCAffiliation(member.Affiliation),
+				gateway.SPMUCRole(member.Role),
 				gateway.SPMUCJid(chatJid),
 			)
 			err := c.sendPresence(newMucArgs...)
@@ -597,6 +609,7 @@ func (c *Client) sendMUCStatuses(chatID int64) {
 		myNickname = c.getFullName(c.me)
 	}
 	myAffiliation := "member"
+	myRole := "participant"
 
 	members, err := c.client.SearchChatMembers(&client.SearchChatMembersRequest{
 		ChatId: chatID,
@@ -616,15 +629,17 @@ func (c *Client) sendMUCStatuses(chatID int64) {
 			}
 
 			nickname := c.GetMUCNickname(senderId)
-			affiliation := c.memberStatusToAffiliation(member.Status)
+			affiliation, role := c.memberStatusToAffiliationAndRole(member.Status)
 			mucState.Members[senderId] = &MUCMember{
 				Nickname:    nickname,
 				Affiliation: affiliation,
+				Role:        role,
 			}
 
 			if c.me != nil && senderId == c.me.Id {
 				myNickname = nickname
 				myAffiliation = affiliation
+				myRole = role
 				continue
 			}
 
@@ -633,6 +648,7 @@ func (c *Client) sendMUCStatuses(chatID int64) {
 				gateway.SPResource(nickname),
 				gateway.SPImmed(true),
 				gateway.SPMUCAffiliation(affiliation),
+				gateway.SPMUCRole(affiliation),
 				gateway.SPMUCJid(gateway.CHATJID(senderId, true)),
 			)
 		}
@@ -644,6 +660,7 @@ func (c *Client) sendMUCStatuses(chatID int64) {
 		gateway.SPResource(myNickname),
 		gateway.SPImmed(true),
 		gateway.SPMUCAffiliation(myAffiliation),
+		gateway.SPMUCRole(myRole),
 		gateway.SPMUCStatusCodes([]uint16{100, 110, 210}),
 	)
 }
@@ -660,7 +677,7 @@ func (c *Client) mucCacheHasMember(mucID int64, memberID int64) bool {
 	return ok
 }
 
-func (c *Client) addMUCMember(mucID int64, memberID int64, affiliation string) bool {
+func (c *Client) addMUCMember(mucID int64, memberID int64, affiliation, role string) bool {
 	c.locks.mucCacheLock.Lock()
 	defer c.locks.mucCacheLock.Unlock()
 	mucState, ok := c.mucCache[mucID]
@@ -675,6 +692,7 @@ func (c *Client) addMUCMember(mucID int64, memberID int64, affiliation string) b
 		gateway.SPResource(nickname),
 		gateway.SPImmed(true),
 		gateway.SPMUCAffiliation(affiliation),
+		gateway.SPMUCRole(role),
 		gateway.SPMUCJid(gateway.CHATJID(memberID, true)),
 	)
 
@@ -682,6 +700,7 @@ func (c *Client) addMUCMember(mucID int64, memberID int64, affiliation string) b
 		mucState.Members[memberID] = &MUCMember{
 			Nickname:    nickname,
 			Affiliation: affiliation,
+			Role:        role,
 		}
 		return true
 	}
@@ -747,6 +766,7 @@ func (c *Client) updateMUCsNickname(memberID int64, newNickname string) {
 				gateway.SPResource(oldMember.Nickname),
 				gateway.SPImmed(true),
 				gateway.SPMUCAffiliation(oldMember.Affiliation),
+				gateway.SPMUCRole(oldMember.Role),
 				gateway.SPMUCNick(newNickname),
 				gateway.SPMUCStatusCodes(unavailableStatusCodes),
 				gateway.SPMUCJid(realJid),
@@ -756,6 +776,7 @@ func (c *Client) updateMUCsNickname(memberID int64, newNickname string) {
 				gateway.SPResource(newNickname),
 				gateway.SPImmed(true),
 				gateway.SPMUCAffiliation(oldMember.Affiliation),
+				gateway.SPMUCRole(oldMember.Role),
 				gateway.SPMUCStatusCodes(availableStatusCodes),
 				gateway.SPMUCJid(realJid),
 			)
@@ -1618,7 +1639,7 @@ func (c *Client) ProcessIncomingMessage(chatId int64, message *client.Message) {
 	if c.Session.MUC && c.IsGroup(chat) {
 		if message.Content.MessageContentType() == client.TypeMessageChatDeleteMember {
 			deleteMember, _ := message.Content.(*client.MessageChatDeleteMember)
-			c.kickMemberFromMUC(chatId, deleteMember.UserId, c.GetMUCNickname(deleteMember.UserId))
+			c.mucMemberRolePresence(chatId, deleteMember.UserId, ChatMemberStatusKicked, c.GetMUCNickname(deleteMember.UserId))
 		}
 
 		senderId := c.getMessageSenderId(message)
@@ -1636,7 +1657,8 @@ func (c *Client) ProcessIncomingMessage(chatId int64, message *client.Message) {
 			if err == nil {
 				status = chatMember.Status
 			}
-			safeToSend = c.addMUCMember(chatId, senderId, c.memberStatusToAffiliation(status))
+			affiliation, role := c.memberStatusToAffiliationAndRole(status)
+			safeToSend = c.addMUCMember(chatId, senderId, affiliation, role)
 		}
 
 		groupChatFrom = gateway.MUCJID(chatId) + "/" + c.GetMUCNickname(senderId)
@@ -2441,24 +2463,28 @@ func (c *Client) usernamesToString(usernames []string) string {
 	return strings.Join(atUsernames, ", ")
 }
 
-func (c *Client) memberStatusToAffiliation(memberStatus client.ChatMemberStatus) string {
+func (c *Client) memberStatusToAffiliationAndRole(memberStatus client.ChatMemberStatus) (string, string) {
 	if memberStatus != nil {
 		switch memberStatus.ChatMemberStatusType() {
 		case client.TypeChatMemberStatusCreator:
-			return "owner"
+			return "owner", "moderator"
 		case client.TypeChatMemberStatusAdministrator:
-			return "admin"
+			return "admin", "moderator"
 		case client.TypeChatMemberStatusMember:
-			return "member"
+			return "member", "participant"
 		case client.TypeChatMemberStatusRestricted:
-			return "outcast"
+			restricted, _ := memberStatus.(*client.ChatMemberStatusRestricted)
+			if restricted.Permissions != nil && !restricted.Permissions.CanSendBasicMessages {
+				return "member", "visitor"
+			}
+			return "member", "participant"
 		case client.TypeChatMemberStatusLeft:
-			return "none"
+			return "none", "none"
 		case client.TypeChatMemberStatusBanned:
-			return "outcast"
+			return "outcast", "none"
 		}
 	}
-	return "member"
+	return "member", "participant"
 }
 
 func (c *Client) sendMessagesReverse(chatID int64, messages []*client.Message, plain bool, toJid string) {
@@ -2598,38 +2624,114 @@ func (c *Client) MigrateToMUCs() {
 	}
 }
 
-// Kick kicks
-func (c *Client) Kick(chatID, userID int64, nickname string) error {
+// SetChatMemberStatus is a handy wrapper for the following TDLib method
+func (c *Client) SetChatMemberStatus(chatID, userID int64, status ChatMemberStatus, numericPayload int64, stringPayload, nickname string) error {
+	var chatMemberStatus client.ChatMemberStatus
+	switch status {
+	case ChatMemberStatusKicked:
+		chatMemberStatus = &client.ChatMemberStatusLeft{}
+	case ChatMemberStatusMuted:
+		chatMemberStatus = &client.ChatMemberStatusRestricted{
+			IsMember:            true,
+			RestrictedUntilDate: c.formatBantime(numericPayload),
+			Permissions:         &permissionsReadonly,
+		}
+	case ChatMemberStatusUnmuted:
+		chatMemberStatus = &client.ChatMemberStatusRestricted{
+			IsMember:            true,
+			RestrictedUntilDate: 0,
+			Permissions:         &permissionsMember,
+		}
+	case ChatMemberStatusBanned:
+		chatMemberStatus = &client.ChatMemberStatusBanned{
+			BannedUntilDate: c.formatBantime(numericPayload),
+		}
+	case ChatMemberStatusUnbanned:
+		chatMemberStatus = &client.ChatMemberStatusMember{}
+	case ChatMemberStatusPromoted:
+		chatMemberStatus = &client.ChatMemberStatusAdministrator{
+			CanBeEdited: true,
+			Rights:      &permissionsAdmin,
+			CustomTitle: stringPayload,
+		}
+	}
 	_, err := c.client.SetChatMemberStatus(&client.SetChatMemberStatusRequest{
 		ChatId:   chatID,
 		MemberId: &client.MessageSenderUser{UserId: userID},
-		Status:   &client.ChatMemberStatusLeft{},
+		Status:   chatMemberStatus,
 	})
-	if err != nil && nickname != "" {
-		c.kickMemberFromMUC(chatID, userID, nickname)
+	if err == nil && nickname != "" {
+		c.mucMemberRolePresence(chatID, userID, status, nickname)
 	}
 	return err
 }
 
-func (c *Client) kickMemberFromMUC(chatID, userID int64, nickname string) {
-	unavailableStatusCodes := []uint16{307}
-	if c.me != nil && userID == c.me.Id {
-		unavailableStatusCodes = append(unavailableStatusCodes, 110)
-	}
-	c.sendPresence(
-		gateway.SPType("unavailable"),
+func (c *Client) mucMemberRolePresence(chatID, userID int64, status ChatMemberStatus, nickname string) {
+	args := []args.V{
 		gateway.SPFrom(gateway.MUCNODE(chatID)),
 		gateway.SPResource(nickname),
 		gateway.SPImmed(true),
-		gateway.SPMUCAffiliation("none"),
-		gateway.SPMUCStatusCodes(unavailableStatusCodes),
 		gateway.SPMUCJid(gateway.CHATJID(userID, true)),
+	}
+	var statusCodes []uint16
+	var newAffiliation, newRole string
+
+	switch status {
+	case ChatMemberStatusKicked:
+		args = append(args, gateway.SPType("unavailable"))
+		newAffiliation = "none"
+		newRole = "none"
+
+		statusCodes = append(statusCodes, 307)
+		if c.me != nil && userID == c.me.Id {
+			statusCodes = append(statusCodes, 110)
+		}
+	case ChatMemberStatusMuted:
+		newAffiliation = "member"
+		newRole = "visitor"
+	case ChatMemberStatusUnmuted, ChatMemberStatusUnbanned:
+		newAffiliation = "member"
+		newRole = "participant"
+	case ChatMemberStatusBanned:
+		args = append(args, gateway.SPType("unavailable"))
+		newAffiliation = "outcast"
+		newRole = "none"
+		statusCodes = append(statusCodes, 301)
+	case ChatMemberStatusPromoted:
+		newAffiliation = "admin"
+		newRole = "moderator"
+	}
+
+	args = append(
+		args,
+		gateway.SPMUCAffiliation(newAffiliation),
+		gateway.SPMUCRole(newRole),
+		gateway.SPMUCStatusCodes(statusCodes),
 	)
 
+	c.sendPresence(args...)
+
 	c.locks.mucCacheLock.Lock()
 	mucState, ok := c.mucCache[chatID]
 	if ok && mucState != nil {
-		delete(mucState.Members, userID)
+		if status == ChatMemberStatusKicked || status == ChatMemberStatusBanned {
+			delete(mucState.Members, userID)
+		} else {
+			member, ok := mucState.Members[userID]
+			if ok {
+				member.Affiliation = newAffiliation
+				member.Role = newRole
+			}
+		}
 	}
 	c.locks.mucCacheLock.Unlock()
 }
+
+// GetErrorCode obtains an error code from a Telegram response error
+func GetErrorCode(err error) (int32, bool) {
+	responseError, ok := err.(client.ResponseError)
+	if !ok || responseError.Err == nil {
+		return 0, false
+	}
+	return responseError.Err.Code, true
+}
diff --git a/xmpp/extensions/extensions.go b/xmpp/extensions/extensions.go
index 64dfb3b..d8aafd7 100644
--- a/xmpp/extensions/extensions.go
+++ b/xmpp/extensions/extensions.go
@@ -316,10 +316,12 @@ type QueryMucAdmin struct {
 
 // QueryMucAdminItem is a child element from XEP-0045
 type QueryMucAdminItem struct {
-	XMLName xml.Name `xml:"item"`
-	Nick    string   `xml:"nick,attr"`
-	Role    string   `xml:"role,attr"`
-	Reason  string   `xml:"reason,omitempty"`
+	XMLName     xml.Name `xml:"item"`
+	Jid         string   `xml:"jid,attr,omitempty"`
+	Nick        string   `xml:"nick,attr,omitempty"`
+	Role        string   `xml:"role,attr,omitempty"`
+	Affiliation string   `xml:"affiliation,attr,omitempty"`
+	Reason      string   `xml:"reason,omitempty"`
 }
 
 // Namespace is a namespace!
diff --git a/xmpp/gateway/gateway.go b/xmpp/gateway/gateway.go
index 2bddf83..604a1eb 100644
--- a/xmpp/gateway/gateway.go
+++ b/xmpp/gateway/gateway.go
@@ -438,6 +438,9 @@ var SPImmed = args.NewBool(args.Default(true))
 // SPMUCAffiliation is a XEP-0045 MUC affiliation
 var SPMUCAffiliation = args.NewString()
 
+// SPMUCRole is a XEP-0045 MUC role
+var SPMUCRole = args.NewString()
+
 // SPMUCNick is a XEP-0045 MUC user nick
 var SPMUCNick = args.NewString()
 
@@ -505,10 +508,16 @@ func newPresence(bareJid string, to string, args ...args.V) stanza.Presence {
 	if SPMUCAffiliation.IsSet(args) {
 		affiliation := SPMUCAffiliation.Get(args)
 		if affiliation != "" {
+			var role string
+			if SPMUCRole.IsSet(args) {
+				role = SPMUCRole.Get(args)
+			} else {
+				role = affiliationToRole(affiliation)
+			}
 			userExt := extensions.PresenceXMucUserExtension{
 				Item: extensions.PresenceXMucUserItem{
 					Affiliation: affiliation,
-					Role:        affilationToRole(affiliation),
+					Role:        role,
 				},
 			}
 			if SPMUCNick.IsSet(args) {
@@ -625,7 +634,7 @@ func SplitJID(from string) (string, string, bool) {
 	return fromJid.Bare(), fromJid.Resource, true
 }
 
-func affilationToRole(affilation string) string {
+func affiliationToRole(affilation string) string {
 	switch affilation {
 	case "owner", "admin":
 		return "moderator"
diff --git a/xmpp/handlers.go b/xmpp/handlers.go
index c0cf696..76ed019 100644
--- a/xmpp/handlers.go
+++ b/xmpp/handlers.go
@@ -1602,37 +1602,84 @@ func handleSetQueryMucAdmin(s xmpp.Sender, iq *stanza.IQ, query *extensions.Quer
 	}
 	defer gateway.ResumableSend(component, answer)
 
-	if query.Item.Role == "none" {
-		bare, _, fromOk := gateway.SplitJID(iq.From)
-		if !fromOk {
-			iqAnswerSetError(answer, 400)
-			return
-		}
+	bare, _, fromOk := gateway.SplitJID(iq.From)
+	if !fromOk {
+		iqAnswerSetError(answer, 400)
+		return
+	}
 
-		session, sessionOk := sessions[bare]
-		if !sessionOk || !session.Session.MUC {
-			iqAnswerSetError(answer, 401)
-			return
-		}
+	session, sessionOk := sessions[bare]
+	if !sessionOk || !session.Session.MUC {
+		iqAnswerSetError(answer, 403)
+		return
+	}
 
-		toID, toOk, toIsGroup := toToID(iq.To)
-		if !toOk || !toIsGroup {
-			iqAnswerSetError(answer, 406)
-			return
-		}
+	toID, toOk, toIsGroup := toToID(iq.To)
+	if !toOk || !toIsGroup {
+		iqAnswerSetError(answer, 406)
+		return
+	}
 
-		userID := session.GetMUCMemberIdByNickname(toID, query.Item.Nick)
-		if userID == 0 {
-			iqAnswerSetError(answer, 404)
-			return
-		}
+	var userID int64
+	if query.Item.Jid != "" {
+		userID, _, _ = toToID(query.Item.Jid)
+	} else if query.Item.Nick != "" {
+		userID = session.GetMUCMemberIdByNickname(toID, query.Item.Nick)
+	}
+	if userID == 0 {
+		iqAnswerSetError(answer, 404)
+		return
+	}
 
-		err := session.Kick(toID, userID, query.Item.Nick)
-		if err != nil {
-			iqAnswerSetError(answer, 500)
-			answer.Error.Text = err.Error()
-			return
+	nick := query.Item.Nick
+	if nick == "" {
+		nick = session.GetMUCNickname(userID)
+	}
+
+	var status telegram.ChatMemberStatus
+	var integerPayload int64
+	var stringPayload string
+
+	switch query.Item.Role {
+	case "none":
+		status = telegram.ChatMemberStatusKicked
+	case "visitor":
+		status = telegram.ChatMemberStatusMuted
+	case "participant":
+		status = telegram.ChatMemberStatusUnmuted
+	case "moderator":
+		status = telegram.ChatMemberStatusPromoted
+	}
+	// affiliations have a higher priority over roles
+	switch query.Item.Affiliation {
+	case "none":
+		status = telegram.ChatMemberStatusKicked
+	case "outcast":
+		status = telegram.ChatMemberStatusBanned
+	case "member":
+		status = telegram.ChatMemberStatusUnmuted
+	case "admin":
+		status = telegram.ChatMemberStatusPromoted
+	case "owner":
+		iqAnswerSetError(answer, 403)
+		return
+	}
+
+	// nothing has been detected
+	if status == telegram.ChatMemberStatusIllegal {
+		iqAnswerSetError(answer, 400)
+		return
+	}
+
+	err := session.SetChatMemberStatus(toID, userID, status, integerPayload, stringPayload, nick)
+	if err != nil {
+		code, ok := telegram.GetErrorCode(err)
+		if !ok {
+			code = 500
 		}
+		iqAnswerSetError(answer, int(code))
+		answer.Error.Text = err.Error()
+		return
 	}
 }
 
@@ -1658,6 +1705,11 @@ func iqAnswerSetErrorInternal(answer *stanza.IQ, code int, registerMode bool) {
 			Type:   stanza.ErrorTypeAuth,
 			Reason: "not-authorized",
 		}
+	case 403:
+		answer.Error = &stanza.Err{
+			Type:   stanza.ErrorTypeAuth,
+			Reason: "forbidden",
+		}
 	case 404:
 		answer.Error = &stanza.Err{
 			Type:   stanza.ErrorTypeCancel,