Help..?!?

Last year I was having sex with this guy and apparently he was telling the whole basketball and football team everything we did. He made a group chat with all of them and sent my nudes in it. I’m being called a hoe even though he’s the only one I talked to. He pressured me to do a lot of stuff I really didn’t want to do and he thought it was funny because me being a freshman and he was a Junior and I’m starting to feel really bad about myself and really embarrassed.. i don’t know what to do. How should I handle everything?