Oh, good, he's not gonna smite him! (Yet.) Radar lets out a brief, jittery laugh and says, "Oh I'm just used to helping out everywhere, sir -- it's what I do back home and kinda what I do here too. So it's no problem helping with the dishes after, honest."

But! That's after. Tea first. He takes a seat where he's directed, trying not to fidget too much. Should he take off his hat? Nah, he's left his hat on while talking to Serranai in person, it's probably okay if he leaves it on unless Sheogorath tells him not to.