Bukan was Kannin who bore swords, specifically an officer at the military organizations such as Efu, Meryo, and Tsuwamonogura, a leading officer of an army, and Junsatsudanjo (a patrolling officer) at Danjodai.
武官とは帯刀する官人のことで具体的には軍事機関である衛府や馬寮､兵庫の職員､軍団の幹部､及び弾正台の巡察弾正などを指した。