I totally understand. I feel the same way.
This will sound weird, but I am married, on the brink of divorce, and I met someone and he actually wanted to have a threesome with me and my teenaged daughter.
I told him, do not EVER contact me again. If you threaten my daughter, I will kill you.
I would probably be deported back home, but no one will ever hurt my daughter.
That is creepy and gross; go to the cops. There may be underage victims in this perv’s past, and there are almost certainly some in his future.