Kuwanosuke Naganawa

Kuwanosuke Naganawa (永縄 鍬之介 Naganawa Kuwanosuke) is the Principal of Tamo Agriculture School who claims to have once killed a bear with his bear hands to Kōsaku Hata.

Etymology

 * The name Kuwanosuke means "hoe" (鍬) (kuwa), "this" (之) (no) and "forerunner, herald" (介) (suke).
 * Hoe is a long-handled gardening tool with a thin metal blade, used mainly for weeding and breaking up soil.
 * Kuwanosuke's surname Naganawa means "eternal" (永) (naga) and "rope, hemp" (縄) (nawa).