Agent noun

An agent noun is a special type of word that we use when we want to talk about a person or a thing that does a particular action. It's like when you want to talk about someone who does something specific, like a teacher who teaches or a swimmer who swims.

An agent noun is created by adding the suffix "-er" or "-or" to a verb to create a new noun that means "the person or thing that does the action of the verb." For example, someone who "teaches" is a "teacher," and someone who "swims" is a "swimmer."

These agent nouns are very useful because they help us to be more specific when we talk about who or what is doing something. Instead of just saying "the person who teaches," we can say "the teacher." It's a quick and easy way to describe someone's job or what they do.

So remember, when you hear someone use a word that ends in "-er" or "-or," it might just be an agent noun! It's a special word that helps us talk about who or what is doing a specific action.