i have been harassed and discriminated at work for two years and now assaulted

one man has been harassing me because i am male. i have been reporting and nothing is done they said he is there friend. he has told me to shove things up my ass. went into money im responsible for i reported i was told he has mental issues. he has told my customers he wants me fired and hire a 22 yr with big boobs. i got hurt there and been going through hell for workmans comp but that is in court. he started stalking me circling my car and watching me from shadows of the building. im really creeped out he stares at me follows me and actually hit me in the back one night i reported . and the one boss said it was ok cause i was off the clock but was on premises. i contacted local authorities and they said since he didnt hurt me thats ok. but they are not local cops another town and they dont do anything for us here. at the meeting with board he was screaming nasty things to me pounding on table lunging at me . so i left. the one boss said watch my back he thinks this guy may come down and shoot me this is his words.. the man in question has access to all doors he can sneak up on me in the middle of night i work til 2am and no one would no im in fear of my safety i believe my rights are violated and my lifes in danger thank you