My family hates my boyfriend?

My boyfriend is a wiccan, and because of that, my Babtist Christian family hates him. They say that just because he is a wiccan, he is a bad person. They say that he is going to Hell and that I should break up with him. I love my boyfriend and I don't know what to do. I want my family to like him. I want them to accept him. I am a Babtist too, but I still accept him and love him. I'm not even allowed to talk to him on the phone. I have to go behind their backs and use my computer to make the phone calls. He is really sweet and nice. I'm 16 and he is 19. My family doesn't care about the age different, they just hate the fact that he is a wiccan. I tried to explain to them that wiccans aren't devil worshipers. I tried to explain that he isn't a bad person and wouldn't ever do any harm to anybody, but my family won't listen. My family says that because he is a wiccan, he would do harm to others. Please help.