code: def demote_admin(self, group_jid, peer_jid):
          
          log.info("[+] Demoting user {} to a regular member in group {}".format(peer_jid, group_jid))
          return self._send_xmpp_element(group_adminship.DemoteAdminRequest(group_jid, peer_jid))
docs: Turns an admin of a group into a regular user with no amidships capabilities.
  
          :param group_jid: The group JID in which the rights apply
          :param peer_jid: The admin user to demote
          :return: