Theodore of Amasea was a 4th-century Christian soldier and great martyr who lived in Amasea, located in ancient Roman Pontus. During the Great Persecution, he refused to participate in pagan sacrifices, choosing instead to declare his faith in Jesus Christ. Following his refusal, he was martyred by fire. Known also as Theodore the Recruit or Theodore Tyro, he became a celebrated warrior saint in various Christian traditions, including Eastern Orthodox, Roman Catholic, and Oriental Orthodox churches.