I’m being stalked by my ex please tell me what to do

i recently broke up with my bf the relationship started getting very draining with all the arguments we’ve been having. he also gave me an Std and tries to make it seems like i cheated on him. anyways i cut things off about 2 weeks ago but he has not been taking it well and started harassing me and my family. standing outside my house with a 🔫 and threatening me and my brother i want to move because i don’t want to get the police involved but moving is a long process. i fear me getting into a relationship with this man might cost me my life