Start taking these less seriously. Start building better functional families. You will see these problems will slowly vanish. Happy kids from happy families have extraordinary bullshit avoiding capabilities.
If it is a physical assault we need to engage the legal system.
If not, treat these as mind games. The opponent expects you to behave in a predictable manner. If you react violently or weakly, they win. Censorship is a weak move. It is very much possible that your opponent (possibly, a front for some government agency or a political party) expects you to want more censorship (you can guess the reasons).
Words cannot ruin our religion\race. If they can, our religion\race does not deserve to exist. A religion\race that needs the crutches of censorship is a weak religion\race.
I am not proposing a simple solution here, but your blithe dismissal of online abuse is comical and cruel.