責任【せきにん】
duty, responsibility (incl. supervision of staff), liability, onus
辞任【じにん】
resignation (from a position)
就任【しゅうにん】
assumption (of office), taking up (a post), inauguration, installation
任期【にんき】
term of office
後任【こうにん】
successor
任務【にんむ】
duty, function, office, mission, task
主任【しゅにん】
person in charge, senior staff, manager, chief, head
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
任命【にんめい】
appointment, nomination, ordination, commission, designation
担任【たんにん】
being in charge of (esp. a class or subject), taking charge of, class teacher, homeroom teacher, form teacher
無責任【むせきにん】
irresponsibility
任す【まかす】
to entrust (to someone), to leave (in someone's hands)
専任【せんにん】
full-time service
初任給【しょにんきゅう】
initial salary
委任【いにん】
entrusting, charge, delegation, authorization
兼任【けんにん】
serving concurrently as, holding the additional post of
歴任【れきにん】
successive jobs, consecutive jobs
放任【ほうにん】
noninterference, leaving something to take its own course, giving someone a free hand with something