 essential role of an EFL teacher, signs of trouble. Another role played by teachers is a protector role. Teachers are taught to look for signs of trouble in the students. When students' behaviors change or physical signs of abuse are noticed, teachers are required to look into the problem. Teachers must follow faculty procedures when it comes to following up on all signs of trouble. If you like this video, please subscribe by clicking that button down here and click on any of the videos here on the left for more interesting teaching tips for getting certified to teach English abroad and online.