It would be justified to use violence against a homosexual man, who is not a personal friend: When he is romantically kissing another man in public
It would be justified to use violence against a homosexual man, who is not a personal friend: When he keeps staring at me
It would be justified to use violence against a homosexual man, who is not a personal friend: When he acts in an effeminate way
It would be justified to use violence against a homosexual man, who is not a personal friend: When he keeps hitting on me