In 1180 Kamakura Chorigashira (chief of the chori in Kamakura) Danzaemon FUJIWARA established the status as the chieftain of the medieval hisabetsumin by acquiring the Shuinjo (shogunal license literally meaning the 'vermilion seal') issued by MINAMOTO no Yoritomo.
1180年、鎌倉長吏頭藤原弾左衛門が源頼朝の朱印状を得て中世被差別民の頭領の地位を確立したとされる。