After kokugaryo (rice fields governed by provincial government office) and shoen became myoden (land held by non-resident owners), wealthy farmers (Tato) were in charge of on site management as myoshu/shokan (officer governing shoen).
国衙領・荘園の名田化により、富豪百姓（田堵）が名主・荘官として現地経営にあたった。