- a person who teaches or inculcates morality.
- a philosopher concerned with the principles of morality.
- a person who practices morality.
- a person concerned with regulating the morals of others, as by imposing censorship.
- a person who seeks to regulate the morals of others or to imbue others with a sense of morality
- a person who lives in accordance with moral principles
- a philosopher who is concerned with casuistic discussions of right action, or who seeks a general characterization of right action, often contrasted with a moral philosopher whose concern is with general philosophical questions about ethics
