Furthermore, during the medieval period, social status was highly mobile, and these people were not confined within fixed hereditary classes, such as the five lowly castes of the ritsuryo system and buraku (communities of discriminated people) in the early-modern times.
また、中世は身分の流動性が非常に高く、五色の賤や近世部落のような固定化された世襲階級ではなかった。