Synonyms for Trainer:

n.

exercise, heel, domesticate, litter, cat litter, call off, kitty litter, kennel, answer to. professional, pedagogue, spotter, spot, pro, cross-training, train, coaching, personal trainer, teach. head, headmistress, headteacher, houseparent, housemaster, faculty. driver (noun)
handler.
instructor, teacher (noun)
guide, mentor, lecturer, professor, tutor, handler, coach.
teacher (noun)
guide, coach, counselor, educator, headmaster, guru, tutor, schoolmaster, advisor, master, professor, schoolmistress, mentor, instructor, teacher, lecturer.
trainer (noun)
flight simulator.

Other synonyms:

pedagogue. Other relevant words:
headmistress, professional, spot, handler, domesticate, officer, boss, pedagogue, kennel, manager, teach, Drillmaster, spotter, pro, pilot, cross-training, flight simulator, housemaster, heel, headteacher, faculty, houseparent, exercise, litter, train, coaching, head.

Usage examples for trainer

  1. When this was clear to me I sent for my trainer – The Deluge by David Graham Phillips
  2. I've often thought, don't you know, how interesting it must be to be one of those animal- trainer Johnnies: to stimulate the dawning intelligence, and that sort of thing. – My Man Jeeves by P. G. Wodehouse
  3. " You orter been a hoss- trainer Mr. Bob," said Mrs. Wiggs, admiringly, when the deed was accomplished; " yer voice jes' makes folks do things!" – Mrs. Wiggs of the Cabbage Patch by Alice Caldwell Hegan