to assign; to appoint; to take up a post; office; responsibility; to let; to allow; to give free rein to; no matter (how, what etc.); classifier for terms served in office, or for spouses, girlfriends etc. (as in 前任男友)

any; whatever; whichever

mission; assignment; task; duty; role

responsibility; blame; duty

director; head

to hold a governmental office or post; to assume office of; to take charge of; to serve as

predecessor; ex-; former; ex (spouse etc.)

qualified; competent (professionally); to be up to a task