Well if he isn't a redskin, he shouldn't have a problem with the term. If he identifies as such, well life is good.Next time that you see an indigenous Canadian, go up to him and ask him if he's a Redskin. You'll probably get your answer.
Or are you implying that they are all psychotic savages who will respond with violence at the slightest provocation which quite frankly says more about you and your views than the person you are replying to.
Reminded of a thread where someone did spell it out except with black dudes. He was going all woke on someone while painting the group he was "defending" in a most unpleasant and racist manner.