How to take other users off my device ?

Are there unfamiliar devices on your account?

Check your Apple ID device list to see where you're signed in - Apple Support

I”m not sure what you mean.

And beyond that, this is a user to user tech support forum, so no one here has any access to any accounts on your device.

Link to contact Apple Support in the article.

Apple ID has been compromised.      *

Personal Safety User Guide

Security and your Apple ID.   *

Checklist: If you want to see if anyone else has access to your device or accounts  *