Cerita Dewasa Guru dan Murid. The teacher is a teacher of science. In the Indonesian language, teachers generally refers to professional educators with the primary task of educating, teaching, guiding, directing, training, assess, and evaluate students. Teachers are educators and teachers in early childhood education or school path of formal education, basic education and secondary education. Teachers like this should have some kind of formal qualification. In a broader definition, every person who teaches something new can also be a teacher.