the leading character or one of the major characters in a drama, movie, novel, or other fictional text
Spider-Man is the main hero of his story, therefore he is a protagonist.
Harry Potter is the main character of his story.
Spongebob is the main character in his show.
The principal character in opposition to the protagonist or hero of a narrative or drama
2nd Person Point of View
The second person uses the pronouns “you,” “your,” and “yours.” We use these three pronouns when addressing one, or more people.