the antagonist
The main character having the conflict is called the protagonist.
Antagonist
antagonist
A main conflict is the main problem that a character has in a story, or the main problem of the story
The antagonist is the character who is typically always involved in the conflict with the main character. They pose obstacles and challenges for the protagonist to overcome.
antagonist
External conflict
No, the protagonist and the main character are typically the same person in a story. The protagonist is the central character whose journey drives the plot forward, while the main character is often the focal point of the narrative.
The antagonist is the person or force that creates conflict for the main character in a literary work. They are often the character or element that the protagonist must overcome to achieve their goals or resolve the conflict in the story.
The main conflict is between Tally (the main character) and the government, over the brainwashing of society.
You plan out what the conflict will be, and then describe the action through the eyes of the main character.
Since the main character is usually referred to as the protagonist, the title you're probably looking for is antagonist.