Is a gentile forbidden from striking another gentile?
For example: If a gentile finds himself faced with an individual (who is likewise a gentile) who repeatedly intimidates, insults and/or otherwise harasses them/causes them chronic problems, and, "in the heat of the moment" strikes (i.e. punches) that person, is he committing a sin?
I did not see a mention of this in the 7 Noahide laws and would like clarification on this matter. I am interested specifically in the Orthodox interpretation.