In regions of the yakuya (peasant) system, there are cases in which they were divided into honyaku (the predetermined amount of tax to be the tax standard for people), hanyaku, shihanyaku, mizuyaku and the like according to an amount and type of fueki (slave labor) to be borne.
役家制の地域では、賦役を負担する量や種類によって、本役・半役・四(小）半役・水役などに分かれている場合もある。