An appointee is someone who has been chosen for a particular job or position of responsibility.
例句
...Becket, a recent appointee to the Supreme Court.贝克特,最高法院新任命的一员...Diane Ravitch, a political appointee in charge of federal education research.黛安娜·拉维奇,一个受政府委派负责联邦教育研究的人