The teacher told his class to be quiet during the lecture. The school has a new science teacher. It is time for a parent-teacher conference.
Library Instructor
CFI stands for Certified Flight Instructor. There also CFII and MEI for Instrument Instructor and Multi-engine instructor.
Instructor
It is Japanese and means 'master instructor' usually used in the martial arts for a mid-grade instructor.
usually your reigns, to shorten them
It is probably "kamsahamnida" or "komapsumnida", which mean "thank you" in Korean. However, you should ask him/her. Your "sabeomnim" (Master Instructor) appreciates your questions.
Un moniteur (masc.), une monitrice (fem.) is an instructor.
If you mean coach = instructor: Тренер Pronounced "tryener" If you mean coach = carriage: Вагон Pronounced "vagon"
I think you are confusing this with 教師 (kyoushi) which means Instructor/Educator.
The singular form would be instructors and the possessive form is instructor's.
sarutobi is tsunade's instructor
Judo Instructor