在ざい籍せき専せん従じゅうMeaningsNoun1. company employee working full-time as a union officialKanji used在presence籍registry専specialty従obeyComposed of在ざい籍せきbeing enrolled (at a school); being registered; being a member (of a team, organization, etc.)Noun専せん従じゅうworking exclusively for; working full-time (for)Noun