Roman Catholic Church
The Catholic Church, Catholic, or Roman Catholic Church is the world's largest Christian denomination with around 1.2 billion believers worldwide. It is the oldest Christian in the world, and historically occupies an important place in western culture. The system of synagogues adheres to the pyramid clergy system with the Pope as its peak. In the Catholic Church, Jesus Christ teaches that only one church has been established, and that the Church is a church with bishops, the Catholic Church, the successor of Christ's apostles headed by the Pope, the sole successor of St. Peter, . In addition, the Catholic Church teaches that the Pope enjoys the privilege of infallibility that he can never make a mistake in establishing doctrines of faith and morality. However, the following conditions are attached to this infallibility. ① Declare officially as the highest shepherd of the whole church. Therefore, it can not be guaranteed that the Pope, as an individual, or as a parish priest of the Diocese of Rome, is null and void.