How would a fanatic authoritarian, xenophile playthrough work?

[Fourthspartan56]

So under caste system you can have chattel OR domestic ?

Chattel, Domestic, Battle Thralls, and Livestock. Read this dev diary for the full details.

Do you know if there is any diplomatic penalties for using caste system ?

I think that it's just the normal slavery penalties but I don't know for sure.

My bad, I jumped into the discussion.

Of course not, you've been fine.