Boyfriends friend being a **** to me?

my boyfriends friend is being a complet ******** to me. i hardly know him , ive only seen him a few times. but he made a status about me on facebook which i found innapropriete and inboxed me how he thinks im butters. ive been with my boyfriend a year and i dont know what they say to him about me their school but i dont think my boyfriend is doing anything about it! why should his friend say this too me and get away with it ?