Description: The above drawing shows a lady teacher engaged in her task of teaching. As she has written some numerical figures on the black board and is explaining them to the class, it can be inferred that she is teaching mathematics. 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).
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