A language teacher should first and foremost be a motivator. I don’t believe you can teach a language to someone not motivated to learn it. Motivating learners is, of course, easier said than done, but it should be the primary goal of any teacher.
0:00 My experiences of being in a language classroom as a student. 3:44 Does the teacher even need to know how to speak the language? 5:10 The language teacher should first and foremost be a motivator. 7:26 A Language teacher's job should be to monitor the student's activity, not to test them or source content.
