It's either the House of El or the Atlanteans for me...
But personally I'd just love to be part of Billy's family.
Well he's worked with eco-terrorists on occasion, tends to focus on corrupt businesses over super villains, and in many versions tends to be a minimalist who doesn't spend (or have) a lot of cash.
He's also gotten into politics on occasion, running for mayor and stuff, and while I wasn't reading the books during these times (happenstance not boycott) I'm pretty sure he pushed as far-left a agenda as he could get away with.
"We all know the truth: more connects us than separates us. But in times of crisis the wise build bridges, while the foolish build barriers. We must find a way to look after one another, as if we were one single tribe."
~ Black Panther.