Technical officers who did the practical work of military art were divided into these two statuses and the military aristocracies such as Seiwa-Genji (Minamoto clan) or Kanmu-Heishi (Taira clan) and so on, who were staying in Kyoto, were in the shodaibu status and the majority of local bushi were in the samurai status.
武芸の実務、技能官人たる武士もこの両身分にまたがっており、在京の清和源氏や桓武平氏などの軍事貴族が諸大夫身分、大多数の在地武士が侍身分であった。