Would it be wrong to run away from a guy who is trying to follow me and talk to me?
If he doesn't give up on you, what is going to happen?
I'll call the police
You are being stalked and that is immensely scary. You need to cal the police right away and find a bright and open area, you can't just keep waiting and seeing. Every second counts as it may be your last.
Just going to wait and see if he keeps following me. Stalking is funny.
The stalking may be amusing to you right now as it isn't that serious yet, but stalkers can always ramp up how serious they are about following you around. You need to get away from this guy and stay away from him.