What Does the Mob Want Lot to Do in Genesis 19:9‪?‬

Genesis 19:9 presents an interesting semantic conundrum. In this familiar scene, the men of Sodom have gathered outside of Lot's house to demand that he bring out to them his two visitors. When Lot himself comes out instead and interposes himself between the rapacious mob and the closed door behind him, the narrator reports, "They said,! They said, 'This one came to live as a stranger, and he keeps on playing the judge! Now we will do worse to you than to them.'