Original sentence: Christianity is a  monotheistic faith based on the life and teachings of Jesus of Nazareth as described in the New Testament.Its adherents, known as Christians, believe that Jesus Christ is the Son of God and savior of all people, whose coming as the Messiah  was prophesied in the Old Testament.Most, but not all Christians get baptized, celebrate the Lord's Supper, pray the Lord's Prayer and other prayers, read or listen to the Bible, have clergy, and attend group worship services.Similarly, in 1521 Protestants were excommunicated  from the Roman Catholic Church in the Protestant Reformation over Papal primacy, the nature of salvation and other ecclesiological and theological disputes
Edited sentence: Christianity is a monotheistic Abrahamic religion based on the life and teachings of Jesus of Nazareth.Its adherents, known as Christians, believe that Jesus is the Son of God and savior of humanity, whose coming as the Messiah (Christ) was prophesied in the Old Testament (Hebrew Bible) portion of the Bible and chronicled in the New Testament.Similarly, Protestantism split in numerous denominations from the Catholic Church in the Protestant Reformation (16th century) over theological and ecclesiological disputes