Under the four-tiered hierarchy, Zojishi had Kanjin Zonin (lower-ranking government official), toneri (servant) and further, a great number of artisan which were ranked according to their skills and mastery from top to downward, ookitakumi, sukunatakumi, chojoko, banjoko, and others.
四等官の下には官人雑任・舎人、更には技術や熟練度によって位置づけられた大工・少工・長上・番上以下多数の工匠を抱えていた。