The best replacement for supervisor is manager.

The best alternatives to supervisor are rated as following:
★★★★★  manager
★★★  leader
★★  lead
★  director
★  superintendent
★  coordinator
★  foreman
★  manager definition
★  boss
★  team leader
★  nodemon
★  manager which is higher
★  forever
★  supervisor
  advisor
  mentor
  employer
  superviser
  manager difference
  team lead
  bad supervisor
  department head
  administrator
  peer
  lab manager

Your alternative for supervisor is not listed? Suggest!
Speaking about supervisor, one probably shouldn't forget about gunicorn.

Other search terms related to supervisor and their ratings are:
★★★★★ gunicorn
conflict
You have in mind a companion for supervisor and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of supervisor in all years. Click on graph for more.
supervisor
manager
leader