1. One of the definitions of a subject in grammar is * the performer of the main action
the main action that a noun performs
O a specific academic course in high school
O This is the correct answer choice. Or is it?

the performer of the main action.

Explanation:

In grammar, the subject in a sentence is the person or the noun that performs the action while the object is the person or the noun that receives the action.

For example, in the sentence below:

Bob killed the goat.

The subject that is, the person who performs the action is Bob.

i lokey dunno!

on the low like i frrl frrl dunno jitt