Glorfindel was distracted from peering into a compartment when someone passed by. Perhaps he was somewhere where he shouldn't be but the man didn't seem to react aside from just a nod.

He hadn't seen anyone who wasn't an elf so far but it appeared there were others on this train, at least one from the race of Men. He couldn't help but stare for a moment before nodding back, not wanting to disturb him if he was busy with something else.