From Longman Dictionary of Contemporary Englishcelebrantcel‧e‧brant /ˈseləbrənt/ noun [countable] formal RRsomeone who performs or takes part in a religious ceremony
Examples from the Corpus
celebrant• Nine priests concelebrated with Canon Mulvaney as the chief celebrant.• Despite the presence of more than five dozen priests, it was the laity and the celebrants who distributed Communion.• The instrument becomes both a means of communication, possessed of clearly defined powers, and an attribute of the celebrant.• Each evening the men waited to begin dinner until the celebrant of the 5: 30 mass had returned from the church.• The celebrant receives a medallion which indicates the length of time that person has abstained from alcohol.• The celebrants are brought into a new relationship with the substance of their celebration.• The streets are lined with celebrants.Origin celebrant (1800-1900) Latin present participle of celebrare; → CELEBRATE