← The Christian Church Export Options Alphabetize Word-Def Delimiter Tab Comma Custom Def-Word Delimiter New Line Semicolon Custom Data Copy and paste the text below. It is read-only. Select All Constantine Emperor of Rome who adopted the Christian faith and stopped the persecution of Christians (280-337) Helena the mother of Constantine; she helped her son build churches in Rome and Jerusalem Theodosius Emperor of the Roman Empire who made Christianity the official religion of the empire. persecute to treat someone harshly because of that person's beliefs or practices martyr one who voluntarily suffers death for his or her religion or cause hierarchy a group or system in which positions of power are ranked, usually from lowest to highest clergy church leaders laity all the regular members of the church (that are not priests) doctrine The church's teachings about God and our salvation, based on the Bible. gospel four books in the New Testament that tell the story of Christ's life and teachings pope the head of the Roman Catholic Church