Guess if you really think this student is A) a racist and B) therefore doesn’t deserve basic human dignity and respect, we really have nothing to talk about.
You may not throw kittens out windows, but I would bet you have spent far less energy fighting other people who do than I have fighting racists. I would also bet you haven’t spent ANY energy fighting on behalf of the marginalized groups I’m part of. So explain how I benefit from working on your personal behalf.