Shepard is a common surname and can refer to various individuals, including notable figures in history, literature, and entertainment. One prominent example is Sam Shepard, an American playwright, actor, and director known for his contributions to modern American theater. His works often explore themes of family, identity, and the American experience. In addition to being a surname, "shepherd" refers to a person who herds and tends to sheep. This role has been significant in agriculture for centuries, symbolizing care and guidance. The term is also used metaphorically in various religious texts, such as the Bible, where it represents leadership and protection.