sentences:  Tyndale's translation of the Greek word ("") to mean elder instead of priest also challenged the doctrines of the Catholic Church.In particular, it undermined the Catholic Mass and its nature as a sacrifice.The role of the priest in the Catholic Church was to offer the sacrifice of Christ's body and blood in the ritual of the Mass, to bless, to conduct other religious ceremonies, to read and explain the scripture to the people, and to administer the other sacraments.