"Just a squatter, I'm afraid. This shop doesn't have an owner, as near as I can tell." Akira's voice is polite, but he doesn't move his hand off his sword. "Captain Kurusu, at your service."

This man is the first genuine stranger Akira has met since he arrived, which means he could be one of the cops Drake warned him about. He'll hold off on bragging about his prowess with a sword until he knows for sure.