任 - responsibility, duty, term

nomination (of a person to a position); selection; election; assignment; appointment

term of office

dismissal (from a post); discharge; removal

duty; responsibility (incl. supervision of staff)

change of post

to entrust (to someone); to leave (in someone's hands)

person in charge; senior staff; manager; chief; head

entrusting; charge; delegation; authorization

serving concurrently as; holding the additional post of

trust; confidence; credence

being in charge of (esp. a class or subject); taking charge of

optional; voluntary; arbitrary; random; discretionary; facultative; spontaneous; any