Probably the best thing to do is ask him why he believes what he believes in his own terms, and see what bits he just takes on faith.
Also if you actually want to interact with him, make it clear you dislike racist, homophobic, and transphobic jokes. State plainly why they're hurtful and explain the falsehoods behind them. A calm, empathy-to-empathy discussion has been shown to make people less bigoted.
Probably the best thing to do is ask him why he believes what he believes in his own terms, and see what bits he just takes on faith.
Also if you actually want to interact with him, make it clear you dislike racist, homophobic, and transphobic jokes. State plainly why they're hurtful and explain the falsehoods behind them. A calm, empathy-to-empathy discussion has been shown to make people less bigoted.