責任【せきにん】
duty, responsibility (incl. supervision of staff), liability, onus
任務【にんむ】
duty, function, office, mission, task
任せる【まかせる】
to leave (a matter, decision, etc. to someone), to entrust (to someone), to entrust (someone) with, to leave (to chance, one's imagination, etc.), to let (take its own course), to let (happen), to give (oneself to something), to use (money, strength, spare time, etc.) to the full, to use freely, to use without reserve
主任【しゅにん】
person in charge, senior staff, manager, chief, head
責任者【せきにんしゃ】
person in charge (including a supervisory role for other staff), person responsible for ..., responsible party, supervisor, manager
辞任【じにん】
resignation (from a position)
常任【じょうにん】
standing, regular, permanent
任期【にんき】
term of office
不信任【ふしんにん】
non-confidence, lack of confidence
背任【はいにん】
breach of trust, malfeasance, malpractice, misappropriation
解任【かいにん】
dismissal (from a post), discharge, removal
任意【にんい】
optional, voluntary, arbitrary, random, discretionary, facultative, spontaneous, any, arbitrary
赴任【ふにん】
moving to a different location to start a new job, (proceeding to) new appointment
信任【しんにん】
trust, confidence, credence
退任【たいにん】
retirement, resignation, stepping down
在任【ざいにん】
being in office
一任【いちにん】
entrusting (everything to), leaving (a matter) entirely with
留任【りゅうにん】
remaining in office, staying in office, remaining at one's post
専任【せんにん】
full-time service
刑事責任【けいじせきにん】
criminal liability