Moral theorists are philosophers who study the nature of morality and ethical behavior. They seek to understand what is right and wrong, and how individuals should act in various situations. Different moral theories, such as utilitarianism, deontology, and virtue ethics, provide frameworks for evaluating moral dilemmas and guiding decision-making. These theorists often analyze concepts like justice, rights, and obligations to develop a comprehensive understanding of ethical principles. Their work influences various fields, including law, politics, and psychology, as they explore how moral beliefs shape human behavior and societal norms.