In the world of dreams the rules of reality do not necessarily apply. Each dream is unique and it's a direct link to the soul and spirit. Psychology provides its own theories on what dreams mean, but so did tradition and the study of dreams for thousands of years before any relevant science had developed.
Dream Meanings - Teacher
If you dream of a teacher then some problems will force you to take on a number of responsibilities. If you see that a teacher is teaching you then expect some very positive and lucky developments in your personal life.