What does 主任 mean?
主任 is a Japanese noun meaning “person in charge, chief” in English. It is written as 主任 in kanji, しゅにん in hiragana, and shunin in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
その問題は主任をひどく苦しめた。
The problem tortured the chief.