supervisor

noun4

1. •
   a person whose job is to watch over the work of others and make sure it is done well

   • The 1999 merger between Citibank (banking) and Travelers (insurance) created the model for megafinance and confirmed new challenges for supervisors. — 2001
2. •
   A process responsible for managing other processes.

   • The clock burst which enables the supervisor to housekeep the console input and output and to change program status is currently set to 200 ms. — 1965
3. •
   A person who monitors someone to make sure they comply with rules or other requirements set for them.
4. •
   (US) In certain states, an elected member of the governing body for a county which is called the board of supervisors.