Novice - someone who has entered a religious order but has not taken final vows
Acolyte - A subordinate officer in the Catholic Church, whose duty is to light the lamps, prepare the sacred elements, attend the officiating priests, etc. (Greek, a follower.)
Monk - A man who is a member of a religious order and lives in a monastery.
Cleric - one whose hair has been tonsured again in dedication to God's service. A predisposition to minor orders.
Lector (anagnost) - the third rank of minor orders of the ministry; also known as reader
Chaplain - a clergyman ministering to some institution
Reverend (clergyman) - An archbishop is the Most Reverend [Father in God]; a bishop, the Right Reverend; a dean, the Very Reverend; an archdeacon, the Venerable; all the rest of the clergy, the Reverend
Subbdeacon - a clergyman an order below deacon; one of the Holy Orders in the unreformed western Christian Church and the eastern Catholic Churches but now suppressed in the Roman Catholic Church
Deacon - a cleric ranking just below a priest in Christian churches; one of the Holy Orders
Archdeacon - clergyman above deacon
Pastor - A priest in charge of a parish. He is responsible for administering the sacraments, instructing the congregation in the doctrine of the Church, and other services to the people of the parish.
Vicar - clergyman appointed to act as a priest of parish
Priest - a clergyman in Christian churches who has the authority to perform or administer various religious rites; one of the Holy Orders
Abbot - The person in charge of a monastery or monastic community
Prelate - a senior clergyman and dignitary
Bishop - A bishop is the highest of the three official orders in the church - deacons, priests and bishops. A bishop oversees (from Greek word episkopos) the parishes and priests in his diocese. A suffragan bishop assists a diocesan bishop
Archbishop - a bishop of highest rank
Monsignor - the oldest of archbishops
Cardinal - one of a group of more than 100 prominent bishops in the Sacred College who advise the Pope and elect new Popes
Pope
Saint
Doctor - a title conferred on 33 saints who distinguished themselves through the othodoxy of their theological teaching; "the Doctors of the Church greatly influenced Christian thought down to the late Middle Ages"
Hermit - one retired from society for religious reasons, one who lives in solitude (отшельник)
Seer - a person with unusual powers of foresight
Mystic - A seeker of spiritual traditions and/or other phenomenon.