1 you have to teach because your supervisor asks you to. You have to follow your supervisor. Your supervisor and the company pay you
2 it’s kind and generous to teach others. You should feel good to do so
3 your supervisor simply can fire you if you don’t do so
4 never think only you can do the job, never. Your supervisor simply can hire other people to do your work
5 teach others will help you meaning help people to help you. Remember this