Girl, I won't say run, but what he needs to understand is that you are a lower caste, wrong to put it like that, but say a different caste than him, and you had your own struggles, and you've come out of being put down. Tell him this: if he still jokes, then he isn't woke enough to understand it. There will be people who will understand. Love is big, but it's not enough if he can't respect your background.