A site manager can amend a member or group role to change what they can do in a
      site.
    - In a site click Site Members, or More then Site Members if the site has additional features.
 - Select Users or Groups in the Members component.
 - 
        Search for the site member or group whose role you want to change.
        
Type a full or partial name, or leave the search box empty to display all members or groups. The results list includes the assigned role.
 - Click the current role and select a new role from the list.