In the Heian period, technical officers of shodaibu (aristocracy lower than kugyo) and samurai rank engaged master-subordinate relationships with upper nobles, such as sekkan-ke (the families that produced regents), by devoting myobu (identification), etc.
平安時代の諸大夫身分や侍身分の技能官人層は、摂関家などの上層貴族に名簿（みょうぶ）を捧げる等して主従関係を結んだ。