Help me save myself!!

 where I work it's about 90% women working there is this married guy that started working there about 3 months ago and he has attracted himself to me out of everyone there. He has a wife and child but is always all over me. He rubs against me and grabs my boobs and makes all sorts of comments. I don't wanna leave my job nor do I want him fired cause we started as friends and I know he has a family to support what should I dib