"I think you would be interested interested in the writings of Jack Donovan. He explores tribalism in The Way of Men, but he as also written a number of articles with a tribalist mindset.
It is an interesting question.
Recently a man of my church, one of the teachers of sunday school, get divorced, his ex-wife wasn't Christian. Then he was telling us not to marry a non-Christian. And then he asked us "Who are…"