主任 (しゅにん)person in charge; senior staff; manager

主任, its kanji, and other words that share them.Open this graph

Kanji in 主任

喪主もしゅchief mourner
民主みんしゅdemocracy; popular sovereignty
主催しゅさいsponsorship (i.e. conducting under one's auspices); promotion
主婦しゅふhousewife; mistress (of the house)
主席しゅせきhead; chief
主張しゅちょうclaim; insistence
主義しゅぎdoctrine; rule
主要しゅようchief; main
責任せきにんduty; responsibility (incl. supervision of staff)
就任しゅうにんassumption (of office); taking up (a post)
辞任じにんresignation (from a position)
任期にんきterm of office
常任じょうにんstanding; regular
後任こうにんsuccessor
責任者せきにんしゃperson in charge (including a supervisory role for other staff); person responsible for ...
不信任ふしんにんnon-confidence; lack of confidence

See how 主任 connects to the rest of Japanese.