Modder (Peter) Keeps following me through my sessions and crashing me

I'm fairly new to online and i was asking a question about how to be the host for missions, Peter said to alt f4 which i brushed off and ignored him, he then tp'ed to me and killed me with an auto rocket launcher thing. He did this 2 more times and then i ghosted him, He then says "Oh you ghosted me? Guess you have to restart your game" and then he spawns something on me and my game crashes. He has done this multiple times and he keeps finding me in the sessions i join. He won't stop, I have a v

Welcome to GTA Forums, sorry you've had to experience the nightmare of playing this game on PC in open public session. There isn't much you can do against someone who wants to join you over and over and honestly my "solutions" aren't even ideal. You've got a few options:- 1) let him keep on doing that stuff and don't challenge it - don't rise to it or answer back, just let it happen. Eventually they will get bored and move on to someone else or give up entirely; 2) only play in invite