"Kokujin" are the samurai class, mainly originating from the jito (manager and lord of manor) class in the Kamakura period, who engaged in the development of provinces from the period of the Northern and Southern Courts (Japan) to the Muromachi period.
国人（こくじん）とは、主に鎌倉時代の地頭層から発し、南北朝時代(日本)から室町時代にかけて諸国の開発を推進した武士層のこと。