I dont recognize my parent anymore

Hi guys im 21f Canadian city girl just wanted to share my situation, feeling like I have no one to talk to. A few years ago my mom started dating this guy she met off a dating app. He is insane. Like he isnt mentally normal. He plays videos of Donald Trumps speeches like 24/7 all the time its playing. He hates all races that are not white. Seriously. This makes me physically sick. He has never been married, never had children, hes 66, his last relationships ended because the children “didn’t feel comfortable around him.” My mom still pursues a relationship with this fucking freak. When my older sister 24f met him before I had she texted me that the guy is crazy. My parents are divorced since i was maybe 12. I do not live with either parent, I dont see my dad and now I dont see my mom. Her personality is totally different now and she acts like the crazy man. I am heartbroken. No dad no mom and im fucking 21. Oh get this; he got her to move away with him and soon my mom doesnt live in the same city as me. I cant believe this happened. This guy ruined my fucking life. I should try to talk to my dad about this honestly he has no idea