officiant
US /əˈfɪʃ.i.ənt/
UK /əˈfɪʃ.i.ənt/

1.
officiante, celebrante
a person who officiates at a religious service or ceremony, especially a marriage
:
•
The wedding officiant guided the couple through their vows.
L'officiante del matrimonio ha guidato la coppia attraverso i loro voti.
•
She trained to become a certified wedding officiant.
Si è formata per diventare un'officiante di matrimoni certificata.