It's hard to know if a harassment report has done anything since SE doesn't share what it does with the person who submitted it.

I have heard of suspensions happening from them.

I think that one person is joking that mentioned this, but you could try telling them you are a guy (even if that isn't the case). If they have heard you in vent that might not work.

Other than that, if you still have friends in your old fc, you could tell them about it. Perhaps they would control their member, even if you aren't in that fc now, they wouldn't want their fc to look bad I'd imagine.