#supervisor  one who supervises or has charge and direction of
  supertype:  higher-up__superior__superordinate  one of greater rank or station or quality
  subtype:  bell_captain  the supervisor of bellboys in a hotel
  subtype:  counsellor__counselor  someone who has supervisory duties at a summer camp
  subtype:  theater_director__theaterdirector__director__theatre_director__theatredirector  someone who supervises the actors and directs the action in the production of a show
     subtype:  film_director  the person who directs the making of a film
        instance:  Ingmar_Bergman__Bergman  Luis_Bunuel__Bunuel  Alfred_Joseph_Hitchcock__Hitchcock__Alfred_Hitchcock__Sir_Alfred_Hitchcock
     subtype:  stage_director__stagedirector  someone who supervises the actors and directs the action in the production of a stage show
        subtype:  art_director__artdirector  the director in charge of the artistic features of a theatrical production (costumes and scenery and lighting)
     instance:  Harley_Granville-Barker__Granville-Barker
  subtype:  chief__foreman__gaffer__honcho__boss  a person who exercises control over workers; "if you want to leave early you have to ask the foreman"
     subtype:  baas  South African term for `boss'
     subtype:  ganger  the foreman of a work gang
     subtype:  straw_boss__assistant_foreman__assistantforeman  a member of a work gang who supervises the other workers
  subtype:  forewoman  a woman in charge of a group of workers
  subtype:  overseer__superintendent  a person who directs and manages an organization
     subtype:  ramrod.overseer  a harshly demanding overseer
     subtype:  school_superintendent  the superintendent of a school system
  subtype:  oyabun  a Japanese supervisor
  subtype:  proctor__monitor  someone who supervises (an examination)
     subtype:  invigilator  (British) someone who watches examination candidates to prevent cheating
  subtype:  research_director__director_of_research  a supervisor in a research center
  subtype:  stage_manager__stagemanager__stager  someone who supervises the physical aspects in the production of a show and who is in charge of the stage when the show is being performed
  subtype:  taskmaster  someone who imposes hard or continuous work
     subtype:  slave_driver__slavedriver  a supervisor of slaves at work
     subtype:  taskmistress  a woman taskmaster
  subtype:  trail_boss  the person responsible for driving a herd of cattle

No statement uses or specializes supervisor; click here to add one.