(~s)
1.
An ~ is someone whose job is to make sure that employees are working properly.
I was put in the tailor shop, and I loved it. I was promoted to ~.
= supervisor
N-COUNT
2.
If a person or organization is the ~ of a particular system or activity, they are responsible for making sure that the system or activity works properly and is successful.
...the department’s dual role as ~ of oil production and safety.
N-COUNT: usu with poss