Christendom- Worldwide society of Christians.
Convent- Christian community under monastic vows, especially one of nuns.
Missionary- A person sent on a religious mission, especially one sent to promote Christianity in a foreign country.
Monastery- Building/Buildings occupied by a community of monks living under religious vows.
Pagan- Person holding religious beliefs other than the main world religions.
Sacrament- Religious Cermony held by Christian Churches
Saint- Person known as being holy and typically regarded as being in heaven after death.