There are hotlines you can call for advice, tell people, tell other adults you trust and friends, see if they can help you out.
Like
>>2 said, don't feel guilty. Just because there are people worse off than you that doesn't mean that you can't complain. And it's not even complaining, you're speaking out and that's very good, other people don't tell anyone but you told us and that's a good place to start.
He hurts you, you feel pain, you really need to tell other people, even the police.
If you're afraid of home and home is threatening you then it's abusive, and every person deserves a loving home. At least call a hotline. I hope that helps in some way.