The lad wasn't particularly subtle. Roth knew the type. Gryffindor, surely. "I don't think I caught your name. I'm Roth Mulciber, the school counsellor," he said, introducing himself.
"I was just having a bit of fresh air, myself. I've hardly had time to leave the castle since the beginning of term. What with everything going on, I'm sure you can imagine." He was, in fact, just walking, with no other agenda in mind. The supplies for the refugee were just a precaution.