[i]"How do you bring feminism, or anti-racism or other anti-oppressive thinking, into your characters or your GMing?"[/i]

[b]Disclaimer:[/b] This is just my method, I do it purely for fun. Keep in mind that a setting that lacks racial or sexual diversity is not necessarily sexist and/or racist. The first Star Wars film ever released was pretty much an entirely white male cast save for two robots and an overgrown carpet, and a [i]literal princess trapped in a literal [s]tower[/s] spaceship[/i], and yet that universe has plenty of diversity in it and the films are inspirational to people of all types.

So you know, the absence of something doesn't make it oppressive. As well, exploring themes of sexism or racism in the narrative doesn't make it oppressive either. (Au contraire, it can actually be quite liberating.)

Anyway.

[b]Step 1:[/b] Grab some dice.
[b]Step 2:[/b] Flip a coin for sex.
[b]Step 3:[/b] Roll for ethnicity (d4 for broad, followed with a d20 if I want to get brutally nitpicky about it).
[b]Step 4:[/b] Roll for sexuality. (d10.)
[b]Step 5:[/b] Stare at the thing I've made. If I like it and can envision playing it, add appearance and history, basic but flexible motivation. Have fun. If I don't like what I see, scrap it and start over.

Keep in mind that I'll also auto-adjust to the cast around me which curbs random results. If there's lots of male characters, I'll roll a female, and vice versa.

Haven't really noticed any seriously oppressive stuff going on here though. Seems pretty chill.