And if there's no admin there, you're screwed, that's it, end of story. Then it'll be up to them.
Again: I really doubt you are blameless in this matter. Even if you are, there must be SOME reason they don't want you in the server. In any way, that decision is totally theirs to make if they're given the rights and means of doing so, and there's nothing you can do about it.
I think they kick ppl for fun i dont like it