1) Catechist 2) Coach 3) Demonstrator 4) Docent 5) Edifier 6) Educator 7) Governess 8) Instructress 9) Missionary 10) Preceptor 11) Schoolteacher 12) Teacher 13) Trainer 14) Tutor 15) Tutorial 1) Educator 2) One who makes the grade 3) Pedagogue 4) Teacher 
[periodical] South shore of Hozomeen lake, sunset. Photographer: Joel Askey (personal collection) ...
• (n.) One who instructs; one who imparts knowledge to another; a teacher.
Someone who has held a USPA jumpmaster rating for at least one year and passed an Instructor Certification Course
A formal term which designates a part-time, temporary, university teacher. It is also a synonym for teacher.
In·struct'or noun [ Latin , a preparer: confer French instructeur .] [ Written also instructer .] One who instructs; one who imparts knowledge to another; a teacher. 
a person who instructs; teacher. · a teacher in a college or university who ranks below an assistant professor.
A trained professional who sits in the right seat (passenger) of a vehicle, that will coach an amateur on how to navigate the racing line of a track and more.
a person whose occupation is teaching