Instructor的同義字teacher and educator mean the same thing but educator is much more formal. You would almost always use teacher. a coach is kind of like a teacher for a sport. Instructor can mean anyone who has the primary responsibility for teaching a course, and in some cases such an instructor is a teaching assistant.
Faculty 的同義字instructors and teachers are basically the same. A school faculty is anyone that works for the school. Teacher, lecturer, instructor这三个词有什么区别?teacher (n.) 教师、教员(以教书为职业的人) teacher is the general term for someone whose job is to teach.
Instructor is a person that teaches you some sort of skills such as driving, swimming etc. I've seen elsewhere that other professors reserve the right to change syllabi midsemester. You learn something from both. Faculty is the staff that works at a place.
However, it's been brought to my attention that a course in my department has.