I have a brother who is much the same.

Months prior to the vaccination availability, he brought a Trump supporting plumber into the house who claimed his COPD prevented him from wearing a mask. Fair enough (maybe), but when I asked him to face away from my (total age of 181 year old) parents when he walked through the room, he not only refused, but claimed to be victimized by my request, and told me that I was not allowed to speak while he was in the house that I live in! (The brother who called him supported his deadly claims 100%...or was it 110%?)

I'm convinced from all I've seen in the rural deep south that so called "victimization" matters more to these snowflakes than anything else on Earth.

(I honestly told my parents and plumber-responsible "brother" that I'd have crapped in the yard for a year before I'd have put my parents in danger, but my brother, as a typical Trump supporter, wanted my mother to become sick. (He gets her house when she dies.))

Please, stay as safe as you can. There are people who care about you, and those in a similar position. Should you need help, ask. I will do as I can to offer emotional support should you choose to ask. (If I am impertinent, I apologize.)