choralist
/ˈkɔrəlɪst/Definitions
1. noun
A person who sings in a choir, especially one who has a significant role or responsibility in the choir.
“The chorister was appointed as the leader of the church choir.”
2. noun
A singer, especially one in a choir, who has a particular musical role or responsibility.
“The choristers sang in harmony, filling the church with beautiful music.”