On a skim of the article I didn't see mentioned: he once briefly kidnapped the young son of a slave owner to prove a point about stealing people from their parents. Also he was a pretty decent early feminist. Also he refused to ride horses because they were treated cruelly. And he also didn't eat meat! Dude would've fit in pretty well around here probably.

If anyone wants more cool Quaker content: https://en.wikipedia.org/wiki/Public_Universal_Friend