Kyoichi Yamaoka

Born in 1940 in Uryū, Hokkaido Prefecture, Japan to a coal-mining family. In 1968, he left for Tokyo, and became familiar with the neighborhood of Sanya. In 1972, he formed a committee aimed at fighting crime there. In 1982, he assisted with the establishment of the National Conference of Day Laborers’ Unions. After the murder of Mitsuo Sato and ac