The lightsaber only confirmed his suspicions, especially with the color of the blade. This man had to be a Jedi, albeit one he didn't seem to recognize. It's not like Jedi were all that common back home. He didn't make any move to attack, merely standing his ground as he studied the man in front of him.

"You're a Jedi." It wasn't a response to him, not really, but Kylo didn't really listen to anyone, especially not someone he pegged as a Jedi. "We haven't or we would have recognized each other. Who are you?"