The word ‘teach’ is derived from the Anglo-Saxon word ‘teacon’ which means “to impart”, “to instruct”, “to make aware of” and “to train”. A teacher can be defined as a person who has enough knowledge in any field and conveys this knowledge to the ignorant one. a teacher can be defined as anything or anybody which influences another and make a change in his intellectual, moral, or physical level. The personality, character, and attitudes of a good teacher can influence and inspire young people. People ranging from layman to philosopher praise the teacher as a mason who builds the fabric of society, the students being the bricks and mortar of the future.

The role of a teacher is to shape the minds of the younger generation. That shaping will be on positive lines, development of a scientific and humanistic attitude and temper, self-discipline. For developing such laboratories, teachers have played a key role in modern society. A teacher has to generate that energy in oneself and handle it in one’s work of educating the boys and girls that resort to him or her has not only to instruct but also to inspire the students. He or she has to influence the life and character of his or her students and give them ideas and values which will first fit them to enter the stream of national life and as worthy citizens.

Teaching has become more and more complex and challenging now days. The students’ disobedience, argumentation, rudeness level is on the rise while the patience level of students’ is decreasing. Due to the modern age stress, competition, availability of so many sources of knowledge like internet, TV series, movies showing violence and so on. As education advances with the help of technology, it becomes very clear that modern teachers are very different from traditional teachers. The teachers are facilitators of the learning. The focus of a 21st century teacher is on students developing higher order thinking skills, effective communication, collaboration, and other skills that they need in the 21st century. The teachers must develop new teaching strategies that are radically different. The teacher’s role is of guides and facilitators, not mere providers of knowledge. The students must be engaged in learning and provided instructions using a variety of methods and pedagogical approaches aided with technology.