Delete my account please I can’t it’s Connected to okts

How do I delete my account I didn’t make it I think I have more than one. One is under dlpcolbert@icloud.com
Puente12211@gmail.com
Diannacolbert@icloud.con
Diannacolbert@yahoo.com

I’m being hacked by someone who lives in my home and I see my accounts have seen compromised on apple stating I’m using
auth0