How can I fix my relationship with my brother?

My brother hates me so much, can't even look me in the eyes and he's very hostile, his life ain't much, he never dated and no friends, he never stayed in one job more than a few months, he's very anti social and hateful, i also believe he hates women as I caught him many times watching violent videos against women.

He's 27 still living at home, i have an older sister that he hates the most since they were teens, he wish her death, they haven't spoke to each other in a decade ! what's wrong with my brother? any hope?

How can I fix my relationship with my brother?
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