Just walk away. I've had personal experiences with these kind of douchebags, and I think it's better to stop wasting your time on these energy-sucking discussio

Just walk away. I've had personal experiences with these kind of douchebags, and I think it's better to stop wasting your time on these energy-sucking discussions. Inform him that you will not deal with his racial slurs, sever all connections and walk away with your pride and a valuable learning experience.