If you can't handle that, you need to sandbag. There's no other way around it. It is unlikely that Marcan will stop being the center of attention wherever he goes.
If he wants to stand up for what he believes to be right, he shouldn't have a problem with the consequences of dealing with people who disagree with him, sometimes virulently.
Trans issues are a very contentious issue right now and in my opinion the only way to win that type of situation is to not play. Doesn't mean I don't respect those people, but taking large public stances just put targets on your back