However, because of the characteristics of the post, a person from a low social standing family was often appointed to the Sobayonin post when he was a competent close confidant trusted deeply by the lord, so the load of the post was invariably heavy.
しかしその性質上、側用人には特に家格が高くなくても、藩主の信頼が厚く有能な側近であれば任じられる場合が多く、重責であることに変わりはなかった。