celebrant
/ˈselɪbrənt/noun
1
- a person who performs a rite, especially a priest at the Eucharist主持仪式的教士（尤指主持圣餐的牧师）。
2
- a person who celebrates something庆祝者, 庆贺者。
词源
mid 19th cent.: from French célébrant or Latin celebrant- 'celebrating'， from the verb celebrare （see CELEBRATE）.