Someone

on *:TEXT:!setworld*:#: { 
  if ($nick ishop $chan) || ($nick isop $chan) || ($nick isop $chan) || { 
    set %world $2 
  } 
}

on *:TEXT:!world:#: { 
  if ($nick isvoice $chan) || ($nick ishop $chan) || ($nick isop $chan) { 
    /notice $nick The world is currently %world 
  } 
}

on *:TEXT:!av*:#: {
  if ($nick isop $chan) || ($nick ishop $chan) {
    guser 3 $2 3
    /mode $chan +v $2
    /notice $nick $2 has been added to the auto-voice list!
  }
}

on 3:JOIN:#: {
  /mode $chan +v $nick
}