It was propriety that the kaishakunin would be a member of the azukarinin's family, so failure in conducting the duty of kaishaku would bring shame to the family of the azukarinin.
介錯人は預かり人の家中の者が勤める建前になっていたため、介錯の失敗は武術不心得として預かり人の家の恥とされた。