How to get higher rank?

As all of you know, now the free rank has ended and you might think am I going to be a member forever? Well, of course not but you do need some actions. Therefore, we are going to give rank for inviting people, and here is the deals:

Invite 1 person = Coordinate

Invite 5 people = Admin

Invite 10 people = Super admin

Invite 20+ people = Allow to put off-topic stuffs