My mother used to be a teacher and as a child growing up I have always bee very curious about teachers.
A teacher is also called a school teacher
When did the profession of being a teacher originate?
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
, growing up on the same street and attending the same school. In regard to the name "Rudimental", Kesi Dryden said, "When I was a kid I used to go to piano lessons. There was a book called the "Book of Rudiments", and my teacher would always have a go at me for forgetting it. I always used to hear 'rudiments, rudiments, where's your rudiments?' When I was a teenager, I was looking for a producer name for myself, and I