If we think of someone other than the father and mother, someone who khoioprom to teach us and give the subjects of knowledge, as someone who performs without hope of return was also a teacher.
If we think of someone other than his parents, then one who taught us to protect us and give us knowledge to someone without expecting a reward is not the principal one.
If we think of someone other than Mom and dad someone who values to ดูแลเรา and give knowledge to us someone do without hope of return is none other than teachers.