Ex abusive bf?

I dumped him last yr and hes been stalken me all summer+this yr he has called me a few times and once he was like nice shirt and Im like what? you havnt seen it its new and hes exsplained what it looked like then hung up he also called me once sayen why was I at a guys house and I just said cause I wanted to and he was like you better stay away from him and hung up and this yr he came over so I left and my gma let him stay when I came back he was still there [which was 2 hours l8er]and hes kept comen back for the last 3 days. when we where daten hed kick me and throw stuff at me and hitting me and backen me into corners and tryen to force me to have and stuff like that and I told my parents after he left[4 days ago] and they dont believe me. Im so afraid if he finds out I told anyone hes gonna kill me. I found out 3 days ago that he was in group at the counselors center and I have to go there so my counselor gets paid...I just dont know what to do...any suggestions???