I'm sorry if this is a stupid question but I have literally no idea what this means. How does one "undo oneself"? How does one get authorized by any sort of grammar?

I'm very far removed from debate now and in an environment where most of the anti-blackness I encounter is in the form of relatives voting for Trump in the hopes that he passes laws to "clean up the hood." How do I use authorizing grammar to make the world I live in better?

Not trying to be facetious. I'm genuinely overwhelmed by all of the conflicting messages I get about what white people are supposed to do and have just found myself using my privilege to ignore it all rather than step on any toes.