Hayatoshi governed management of Hayato (an ancient tribe in Kyushu) who brought tributes and was immigrated, instruction of utamai (a performance of singing and dancing) to them, or manufacturing of bamboo products such as Hayato's bamboo hats.
隼人司は、朝貢・移住する隼人の管理や彼らへの歌舞の教習、または隼人の竹笠といった竹製品製作などをつかさどった。