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?
I don't know. In ancient civilization in Egypt and greece teachers help others acquire knowledge or valves 
How many different types of teachers are there or do they all come under one umbrella?
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
curiosity and both her parents were supportive of her interest in science, she did not always see the same support from her teachers. When Jemison told a kindergarten teacher she wanted to be a scientist when she grew up, the teacher assumed she meant she wanted to be a nurse. Seeing a lack of female astronauts during the Apollo missions also frustrated Jemison. She later recalled, "everybody was thrilled about space, but I remember being irritated that there were no women astronauts."
Jemison began studying ballet at the age