to show a person proffesion or occupation teacher :one who teaches is known as teacher i think it comes under noun these nouns are consider.what kind of nouns or words
Words like teacher “one who teaches” are called agent nouns because they refer to agents – that is, to people who do things. They are formed by adding the suffix -er to the verb. Thus, a baker is one who bakes, a farmer is one who farms. The suffix -er can also be added to mechanisms and other things to form what are sometimes called instrumental nouns, things that are used by agents to do something: A computer is used to compute, a sprayer is used to spray, a scraper is used to scrape. The suffix -er has the variant form -or – as in professor, accusor, inventor.
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