More samurai warriors were assigned to shokan, gunji, goji, and hoji officers as military tensions increased in local societies, especially between manors and the Imperial demesnes, and they eventually gained a stable position during the Kamakura period, when a position called jito (a lord of a manor) was given to the Kamakura-dono (the lord of the Kamakura shogunate).
荘官、郡司、郷司、保司らは在地社会での軍事的緊張、特に荘園と公領の対立が高まるにつれて武士が任命されることが多くなり、鎌倉時代に至って鎌倉殿に任命された地頭として安定した地位を獲得した。