The pope is the head of the Catholics. Basically, all other Christians don't recognize the pope as their head. That includes many different Protestant groups, Mormons, and Orthodox Christians. Some Christians other than Catholics have their own pope, but of course they won't recognize "the" pope, i.e., the Catholic pope.
Christian. He's the head of the Catholic church.
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The Pope is the Vicar of Christ on earth, and the visible head of His Church, the Catholic Church.
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The pope has always been a Christian.
Pope Gregory VII was a Catholic pope. Of course he was a Christian.
The pope became a Christian at the time of Saint Peter the first pope.
Catholics, being Christian believe that Jesus Christ is The Most Important. The pope is the successor of Peter, who Jesus Christ made head of his church.
Pope Urban II who called for the Crusades to rescue the Holy Lands from the Muslims.
No, Muhammad was not a pope. He was not even a Christian.
No, Muhammad was not a pope. He was not even a Christian.
The Pope is Christian, and not Muslim.