Speaking of the way we use words as weapons…
I cannot imagine a situation in which I, as a White person, would feel justified in using the N-Word.
It is, as some point out, used commonly by Black people. But that seems perfectly reasonable. As an Irish-American with an Irish passport, I give myself permission to use derogatory words and phrases about Irish people with impunity. There is an undefined logic to it that makes sense to me.
But the N-Word? In a recent YouTube rabbit hole dive, I found this example of the only way a White person could get away with it: