What is Proctor's character flaw?

Proctor's character flaw is his deep-seated guilt and moral struggle stemming from his affair with Abigail Williams. This guilt leads him to initially prioritize his reputation over the truth, causing him to hesitate in exposing the corruption of the witch trials. Ultimately, his internal conflict and desire for redemption drive him to confront his mistakes, revealing both his strength and vulnerability. This complexity makes him a tragic hero, as he grApples with his past while seeking to do what is right.