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🧑🏼🏫 represents the image of a teacher. This emoji depicts the image of a person, where 🧑 represents a person, and 🏫 represents a school or an educational place. Combined together, it conveys a person related to education, that is, a teacher. It can be used to represent the teaching profession, or to refer to a specific educator in an educational scenario, for example, in situations related to school life, educational topics, etc.
I met a teacher (🧑🏼🏫) today and felt that he was very knowledgeable.
The teacher (🧑🏼🏫) was giving a lecture earnestly on the podium.