My mother used to be a teacher and as a child growing up I have always bee very curious about teachers.
Teacher
A teacher (also called a school teacher or, in some contexts, an educator) is a person who helps students to acquire knowledge, competence or virtue.
"Informally" the role of teacher may be taken on by anyone (e.g. when showing a colleague how to perform a specific task). 
In some countries, teaching young people of school age may be carried out in an informal setting, such as within the family (homeschooling), rather than in a formal setting such as a school
and meeting his teacher Chan Kam Lee:
"Chee Soo": It's rather curious, by a very strange coincidence, probably another Chinese fairy tale really. When I left Doctor Barnardo homes at fourteen years of age I became a page boy in Earl's Court in a nursing home, and I used to go over to Hyde Park and have a kick around on my day off on Sundays, and I happened to be playing with my ball when my ball actually hit the back of the head of a gentleman