olemus
Wiktionary:
1. (management) a person with the official task of overseeing the work of a person or group, or of other operations and activities
2. a person who monitors someone to make sure they comply with rules or other requirements set for them

näiteid
chief supervisor -- ülemjärelvaataja
leading supervisor -- juhtivkontrolör, juhtivinspektor
production supervisor -- tootmisülem, tootmisjuht
roads supervisor -- teemeister
sound supervisor -- helioperaator
supervisory approval -- järelevalveorgani heakskiit
supervisory board -- haldusnõukogu, järelevalvenõukogu
supervisory check -- talitlusjärelevalve
supervisory official -- järelevalveametnik
supervisory personnel -- juhtivpersonal
supervisory requirement -- kontrollnõue
team supervisor -- grupijuht

ülevaateid
https://sfdhr.org/sites/default/files/documents/Classification-and-Compensation/Classification-Levels-Manager-Supervisor.pdf

https://en.wikipedia.org/wiki/Supervisor

https://www.yourarticlelibrary.com/organization/types-of-supervision-autocratic-laissez-faire-democratic-and-bureaucratic-supervision/25742

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4979514/

http://www.gnof.org/wp-content/uploads/2015/06/Supervisor-Roles-and-Responsibilities-Packet.pdf