Ugh what should I do?

This guy won't leave me alone. He's made 5 accounts on Snapchat to try and talk to me after I said I don't want anything to do with him anymore. He's not got one of his mates to message me on Instagram and she said he's sorry and wants me to forgive him. WE ONLY TALKED FOR LIKE 10 DAYS FROM TINDER NEVER EVEN MET ONLY HAD ONE PHONE CALL. He made a very inappropriate joke and lied about a lot so I called it off. I said it gently wished him well and all that but it's really concerning me that he's now getting his friend involved. Should I say anything to her? Idk what to do and it's freaking me out🙁