A Christian is a person who adheres to Christianity, an Abrahamic, monotheistic religion based on the life and teachings of Jesus of Nazareth, who Christians believe is the Messiah (the Christ in Greek-derived terminology) prophesied in the Old Testament/Hebrew Bible, and the Son of God. "BBC — Religion & Ethics — Christianity at a glance", BBC The term "Christian" is also used adjectivally to describe anything associated with Christianity, or in a proverbial sense "all that's noble… (More on Christian)