cel·e·brant 
/ˈsɛləbrənt/ noun
plural cel·e·brants /ˈsɛləbrənt/ noun [count] formal 1 a : a person who performs or leads a religious ceremony
▪ The bishop will be the main celebrant. ▪ the celebrant of the service/Mass
b : a person who participates in a religious ceremony
▪ The celebrants lit their candles. 2 US : a person who celebrates something
▪ The city streets were crowded with celebrants. [=(more commonly) revelers, celebrators]
▪ The bishop will be the main celebrant. ▪ the celebrant of the service/Mass
b : a person who participates in a religious ceremony
▪ The celebrants lit their candles.
▪ The city streets were crowded with celebrants. [=(more commonly) revelers, celebrators]
