| A | B |
|---|
| Anathema | A Ban or condemnation for the Church usually resulting in excomminication |
| Apostasy | A willful renunciation of the faith in its entirety |
| Apostate | A person who denies the faith altogether |
| Arianism | Heresy claiming Jesus is not God |
| Arius | The person whom Arianism is named after |
| Docetism | Heresy claiming Jesus did not actually die on the cross, someone took his place |
| Donatism | A heresy that rejects the sacraments celebrated by clergy who betrayed their faith |
| Gnosticism | A heresy that calims a secret knowledge that believers need to be saved |
| Heresy | A belief that is in error of Church teachings |
| Heretic | A person who holds one or more false beliefs of the Church |
| Manichaeism | A heresy founded by Mani that claims there is abattle of light and dark, a dualism of body and spirit |
| Marcionism | A heresy that claims the God Israel is evil and the Old testament is invalid |
| Montanism | A heresy similar to an end times type cult, with Prophesies |
| Pelgianism | A heresy that denies the need for grace to be saved, human effort alone will achieve salvation |
| Pelagius | The person who developed the heresy of Pelagianism |
| Theotokos | Bearer of God |
| Vulgate | The name of the Latin translation of the bible written by St. Jerome |
| Apologist | A person who defends and explains the Faith |
| Doctor of the Church | A person who develops theology and lives an exemplary life of holiness |
| Patristics | The Study of the the Church Fathers and their writings |
| Nero | First Roman Emperor to persecute the Christians |
| Constantine | Roman Emperor who legalized Christianity with the Edict of Milan |
| Augustine | One of the early Theologians who delevoped many Chriistian teachings and battled the heresy of the Donatists |
| Ignaitus of Antioch | The Bishop of Antioch, was the first person to use the term "Catholic Church" |
| Felicity | A slave girl who was bravely martyred for her faith |
| Perpetua | A noble woman who was martyred with Felicity |
