just a few things you know:

he’s sexist and misogynistic, he called even his own mum “a bitch”;

he thinks he’s always right and the best while me and my mum are both stupid and lesser than him;

he’s openly racist, is saying n-word out loud, even though me and my mum are Asian he’s still racist to Asians (he’s white);

he always talk bad about my and mums home country so that even my young sister talks bad about it now even though she was also born there;

he cheated on my mum which was the main reason i started hating him when i was a young teen and seeing my mum so hurt;

he still treats my mum as lesser than, verbally and emotionally abused her;

and few more that i forgot probably.