The essay explores the significance of minor characters in Sophocles' 'Antigone' and how they contribute to the central themes of disobedience and morality. It emphasizes the rivalry between Antigone and her sister Ismene, as well as Haemon's confrontation with Creon, illustrating the consequences of pride and the struggle between human and divine law. Ultimately, the tragic outcomes of the characters underscore the importance of family duty and the moral dilemmas faced within rigid societal structures.