An overseer is someone whose job is to make sure that employees are working properly.
例句
I was put in the tailor shop, and I loved it. I was promoted to overseer.我被安排到縫紉車間，結果我很喜歡這項工作，后來還晉升為工頭。
N-COUNT
（某一體系、活動等的）監督人，監管人，負責人
If a person or organization is the overseer of a particular system or activity, they are responsible for making sure that the system or activity works properly and is successful.
例句
...the department's dual role as overseer of oil production and safety.該部門作為監管石油生產與安全的機構的雙重身份
英漢詞典釋義
n.
監工,監督者
When the overseer was not in,most of the workers would lie down on the job.只要監工不在,大多數工人就磨洋工。
英英詞典釋義
Noun
1. a person who directs and manages an organization