#instructor__teacher  a person whose occupation is teaching
  supertype:  educator__pedagogue  someone who educates
  member of:  teacher-student_relation
  subtype:  art_teacher__artteacher  someone who teaches art
  subtype:  private_instructor__privateinstructor__coach__tutor  a person who gives private instruction (as in singing or acting)
     subtype:  crammer.private_instructor  a teacher who is paid to cram students for examinations
  subtype:  demonstrator  a teacher or teacher's assistant who demonstrates the principles that are being taught
  subtype:  English_teacher__englishteacher__English_professor  someone who teaches English
  subtype:  French_teacher  someone who teaches French
  subtype:  governess__governes  a woman entrusted with the care and supervision of a child (especially in a private home)
  subtype:  instructress  a woman instructor
  subtype:  math_teacher__mathematics_teacher__mathematicsteacher  someone who teaches mathematics
     subtype:  geometry_teacher  someone who teaches geometry
  subtype:  missionary  someone who attempts to convert others to a particular doctrine or program
     instance:  David_Livingstone__Livingstone  Marcus_Whitman__Whitman  Saint_Francis_Xavier__Xavier
  subtype:  music_teacher__musicteacher  someone who teaches music
     subtype:  piano_teacher__pianoteacher  someone who teaches students to play the piano
  subtype:  preceptor__don  (British) teacher at a university of college (especially at Cambridge or Oxford)
  subtype:  reading_teacher__readingteacher  someone who teaches students to read
  subtype:  riding_master  someone who teaches horsemanship
  subtype:  schoolteacher__school_teacher  a teacher in a school below the college level
     subtype:  games-master__gamesmaster__games-mistress  the teacher in charge of games at a school
     subtype:  schoolmarm__schoolmistress__mistress  a woman schoolteacher
     instance:  John_Thomas_Scopes__Scopes__John_Scopes
  subtype:  science_teacher__scienceteacher  someone who teaches science
  subtype:  section_man__sectionman  someone who teaches a section of a large college course
  subtype:  catechist  one who instructs catechumens in preparation for baptism
  subtype:  teaching_fellow  a graduate student with teaching responsibilities

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