A man or woman, who teaches the students in any educational institutions, is called a teacher.A teacher is a person who teaches his or her students and discovers their hidden treasures. He is a window opener for his students. A teacher opens up a new vast knowledge for them. A good teacher is a friend, philosopher and a guide to the students. He does everything to the students. He nurses the young minds as carefully as the gardener handles the saplings. The importance of his service knows no bounds .He teaches his students the methods of living because a good teacher knows the modern method of teaching.