Radley stops and stares, initially relieved to see someone, but his hopes plummet that his presence is a surprise.

"Me?! Who are you?! I just got shanghaied on this ship! There's some loco message about fixing a dying planet! I shouldn't be here. I need to be home! I was trying to fix my town, not some alien homeworld!"

He still isn't sure this isn't Candid Camera, but he has given up caring about that. So many bizarre things happen back home, maybe it's not farfetched about this either.

And as it fully processes that he's looking at someone with a gun, that doesn't help his demeanor in the least. If that thing suddenly gets trained on him, he'll really fall apart.