Having never been a long-term student at Hogwarts, Natty wasn't very familiar with this "type" — a mini-professor of sorts. A Prefect maybe? Natty didn't mind. He was too humble to care about being called out or dressed down, and in any case the boy wasn't doing any harm.

The Groundskeeper came a bit closer, no longer browsing books, eyebrows raised at the lad's words. "Indisposed?" How so? Natty was staff...

... Though he'd spent the entire morning until now working hard in the Grounds and had yet to run into any other adults today...