celebrant
🇺🇸
/ˈselɪbrənt/
🇬🇧
/ˈselɪbrənt/
A person who leads a religious ceremony or service, like a wedding or a church event.
Father Johnson was the celebrant at the wedding ceremony.
A person who is celebrating an event, like a birthday or an achievement.
She was the celebrant at her own surprise birthday party.