Christianity (from the Ancient Greek translation Χριστός, Christos of the Hebrew מָשִׁיחַ, Mašíaḥ, meaning "the anointed one" and the Latin suffixes ian and -itas) is a monotheistic, Abrahamic religion based on the life and teachings of Jesus Christ as presented in the New Testament. Christianity is the world's largest religion, with approximately 2.2 billion adherents, known as Christians. Most Christians believe that Jesus is the Son of God, fully divine and fully human, and the savior of humanity prophesied in the Old Testament.