acolyte

n. altar boy, priest's assistant; assistant, attendant

This article is about religious acolytes. For other uses, see Acolyte (disambiguation).In many Christian denominations, an acolyte refers to anyone who performs ceremonial duties such as lighting altar-candles. In other Christian Churches, the term is more specifically used for one who wishes to attain clergyhood.
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Noun
1. someone who assists a priest or minister in a liturgical service; a cleric ordained in the highest of the minor orders in the Roman Catholic Church but not in the Anglican Church or the Eastern Orthodox Churches
(hypernym) clergyman, reverend, man of the cloth
(hyponym) altar boy

n. acolyte, altar boy; henchman

(n.)
One who has received the highest of the four minor orders in the Catholic church, being ordained to carry the wine and water and the lights at the Mass.
  

(n.)
One who attends; an assistant.