The character is called a supporting character
flat character
flat character
flat character
flat character
The secondary character
A foil character is a type of character who contrasts with the main character, highlighting their qualities by being their opposite. Foil characters often serve to bring out certain traits in the main character by providing a point of comparison.
If a character is not a main character, they would be a supporting character.
E. I'm not sure.
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.
E. I'm not sure.
tragedy
Books in which the main character changes are usually told from Multiple Points of View (MPV).