“I’m tired of being called out for my family’s amusement”

I’m a guy in my mid-thirties. During family get-togethers, my step-sister’s husband (who also happens to be my father’s drug dealer) makes a point of ridiculing me in front of as many people as possible. He brings up embarrassing past events and generally does his best to humiliate and disgrace me.

If I ignore him, he gets increasingly more personal and aggressive. If I try to defend myself, my father immediately interrupts me with a litany of nonsense words or big fake belittling laughter before I can get a word out. Any time I’ve tried to talk to my dad about it, I’m “being to sensitive,” “imagining things,” or “can’t take a joke.”

I’m tired of being called out and then immediately shut down for others’ amusement.