St. Philip was one of the twelve apostles of Jesus Christ, known for his role in spreading the teachings of Christianity. He is often recognized for his evangelistic efforts, particularly in Samaria and for baptizing the Ethiopian eunuch, as described in the New Testament. In Christian tradition, St. Philip is celebrated as a martyr, with his feast day observed on May 3. He is often depicted in art holding a cross or a book, symbolizing his commitment to spreading the gospel. His legacy continues to inspire many in the Christian faith today.