There were two ways to assume the post of Shinto priest who performed rituals; Ichiro took the position; members of Otona did on a yearly rotation (Ichinen Kannushi, Nenban Kannushi).
祭事の執行にあたる神主には一臈が就任する場合と乙名の中で年番で交代する場合（一年神主・年番神主）がある。