Sentence:  Each man can identify himself with the history and the death of Jesus Christ because <WSD>Jesus</WSD> Christ has identified himself with human history and human death , coming as the head of a new humanity . 
Meaning of the word marked with <WSD> tags:  a teacher and prophet born in Bethlehem and active in Nazareth; his life and sermons form the basis for Christianity (circa 4 BC - AD 29)