It says I need to change my password to my Mac. I don’t own a Mac

It says I need to change my password to my Mac. I don’t own a Mac or a PC. ALSO MY PERSON that is supposed to be I change of my phone says it’s my daughter Jordyn. And I can’t change it either. This is my friend Greg. He’s hacked me.

this isn’t mine. I don’t own a MACBOOK

[Re-Titled by Moderator]