I don't want to upset you, but this is just a regular NPC...

Added after 6 minutes
Rurek thought and thought, but couldn't come up with anything. He is a craftsman, not an inventor. But for personal achievement, he decides to create that very cart. It will be useful in the Dungeon.
And Rurek also adopts the misanthrope belief. Maybe if they had accepted him earlier, they wouldn't miss the cheesemakers with every first strike...
Bar.