For example, Othello defeats Venice's enemies. Creon does not have a persistent nature, and therefore could not be the Aristotelian tragic hero.
She has a lot to lose, her honor, principles, wealth, reputation. He exhibits hubris. This question has been the subject of a great debate for numerous years. In theatre, successful drama plays use timeless issues that can still be found present in most civilization. Creon is cruel sometimes.
One idea is that tragic heroes in a story are usually dynamic; they change at least once throughout the narrative. One of the most important traits for a tragic hero is a fatal flaw that destroys their life.