A mod has banned all my users in my server

Discord, there is a user name Kiendepzaii#2466, he want to my server must to down...So he plan is when he become Mod he will use his power to ban every members in my server. An orther of crime of him is he post a privacy imformation 1 of members in my server, that is his face picture, and he send to everyone in server. So please discord, if you got this post, please make Kiendepzaii.