acolyte
/əˈkɒlɪt/; also /ækəˈlaɪt/Definitions
1. noun
a person who assists a priest or minister in a church or other place of worship, especially a young person who is being trained for a career in the church.
“The altar boy served as an acolyte during the Mass.”
2. noun
a devoted or enthusiastic supporter of a person, cause, or activity.
“He was an acolyte of the rock star, always attending his concerts and buying his albums.”