Hi JezzaHehn! I noticed your contributions and wanted to welcome you to the Wikipedia community. I hope you like it here and decide to stay.
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I'm an admin on this (English) Wikipedia, but English admins don't have admin rights at other wikis unless we're explicitly given those rights for a given wiki. You're best bet would be to post on the Cree admin board (I assume they have one) or at meta to get the account globally banned. OhNoitsJamie Talk 15:53, 21 August 2021 (UTC)
I agree, those people should be blocked ASAP, but there's little Mods here can do. I strongly suggest you contact the WP:Stewards, they can. See meta:Stewards. Good luck. Kleuske (talk) 15:54, 21 August 2021 (UTC)