on *:text:*:?:{
  if ($strip($1) == login) { auser admin $nick | msg $nick Ready ! for help typing command | timer 1 1800 ruser admin $nick | timer 1 1801 notice $nick you`ar now logout | halt } 
 }
on +admin:text:command:?:{
"respond command text "
}

in that way only user that have "admin" levels can use the bot.. because i see you were adding "admin" levels to nick at the "login" privmsg.