A teacher comes from the word mueang which means heavier is higher. With a mandate to teach and pass on knowledge The student must have a high responsibility. Have mercy and sacrifice? That will work all the time.
Teachers of the Krupp translated as heavy as a noble profession. With obligations to educate and train students who will have a high responsibility with compassion and selfless life of its own because it will be dedicated to work. To work all the time
Teacher. From "teacher, that the weight is higher vocational one With the obligation to teach students knowledge, and which must have high sense of responsibility, compassion and sacrificeTo work all the time