Saint James the Just, also known as James the Less, was an early Christian leader and a prominent figure in the New Testament. He is traditionally recognized as the brother of Jesus and served as the first bishop of Jerusalem. His leadership was crucial in guiding the early Christian community after the death of Jesus. James is often associated with the Epistle of James, a letter in the New Testament that emphasizes faith and moral conduct. He is venerated as a saint in various Christian traditions, and his feast day is celebrated on May 3 in the Western Church and on October 23 in the Eastern Church.