The owner of a chat room can make a person a moderator in the Access page of the chat room properties. For more information about access rights, see Section 3.4, Modifying Access Rights for a Chat Room.
As a moderator of a chat room, you can remove users from the chat room and you can change the topic of the chat room.
When you remove someone from a chat room, they are no longer able to participate in the chat room. However, they can join the chat room again.
Right-click the user to remove from the chat room, then click Remove.
Click Actions > Edit Chat Room Topic.
Type the new topic in the Chat Room Topic field, then click OK.