OKURA no Haruzane played an active role as a sakan (secretary (lowest of the four administrative ranks of the ritsuryo period) in Shitokan (four classifications of bureaucrats' ranks)) Kyozokushi (police officer who subdued the barbarians in the Sanyo and Nankai region) who was dispatched to subjugate the conflict.
その鎮圧のため派遣された追捕山陽南海両道凶賊使の「主典」（さかん・第四等官）として活躍。