kick a player from a co-op

[Brenllyy]

My friend’s account (Westass) was hacked, he was in co-op, he can’t restore his account, and now I need to kick him so that he doesn’t rob me, I can’t do this because he logs into the game and because of this he won’t be offline for 35 days , I am the creator of the co-op, where should I write so that the admins can kick him?

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