Anyone can become an admin, but an admin has to have a certain amount of edits and be on the wiki for a certain amount of time. I think there's currently a limit of admins right now, but if I were you I'd get some more edits under my belt and apply for patroller. You wouldn't get as many of rights as admins do but it's a good start if you want to be one. Whenever you want to apply for a staff position write a request here.
This Wiki is stealing our information and the GTA Wiki's information. Me and Sasquatch DON'T accept this and want this information blanked and/or otherwise vandalised, and write discouraging things in the comments. This is what happens when people steal. Tell everyone you know so we can wipe this vile Wiki off of this Earth.