Play word 国人 国人 くにうど daimyo who did not leave his domains to meet the shogun in Kyoto (during the Muromachi period)
Play word 町人 町人 ちょうにん chōnin (Edo-period social class of town-dwelling commoners, esp. landowning merchants)
Play word 牢人 牢人 ろうにん high school graduate waiting for another chance to enter university after having failed the yearly entrance examination