If you’re bullying lgbt people you’re sinning too
You may criticise their sins, but lead them from it in a respectful manner and accept it when they decide not to follow your advice in the end. You shouldn’t spread His word with harassment.
Also, many people know that to follow God they will have to leave behind a community they love and trust, if not a beloved partner. Even if they did choose God, it could take a long time for them to do so. We all know how hard it is to give up the world for Jesus, recall that.