1. the main character in a story, play, or movie
2. a person who actively supports or champions a particular cause or idea

Examples

• The protagonist of the novel is a young woman searching for her identity.
• Harry Potter is the protagonist of the famous book series.
• The movie’s protagonist faces many challenges throughout the story.
• She was a protagonist of civil rights in her community.
• The protagonist’s journey from doubt to confidence drives the plot.
• He became a leading protagonist for environmental protection.
• The audience sympathized with the protagonist’s struggles.