Ok, fine ill help you out. Go to meebo.com, you can use aim from there, its a website dedicated for aim..I use it all the time at school, its great, and isnt blocked on our filters..
Its a rank, it comes along with how many posts you have. Im not sure of what all the rank numbers are but Ill give it a shot..
50 posts = Member
100= Junior Member
500= Senior Member
1000= Guru...Doesnt go past that. Well then there is moderator..