lol
You know the old saying. Where there's smoke there's lube.
Seriously OP just ignore him. If your really not a homophobe then it doesn't matter what he says because it sounds like you have a great rep. Eventually he'll get bored and go away. No one really cares. Look at Rassah for example. He's a gay furry. You can't get in a more bashed group then that and he is a highly trusted and respectable member of the community running Bitcoin100. I fully trust him to always do the right thing with thousands of dollars worth of charitable contributions.
Or if you really are closet gay then just let him suck your dick and he'll shut up.