The Proud Boys, founded in 2016 in the USA but now also active internationally, are a misogynist men’s club and far-right goon squad – or in their own words: “western chauvinists”. In a TV debate during the US presidential election campaign, Trump found encouraging words for the group: the Proud Boys should “stand by”. What does Trump mean by this? Who are the Proud Boys? And what danger do they pose?