noun
marriage solemnizer; marriage celebrant
A person who officiates at a wedding ceremony, often in a legal or formal capacity.
婚姻挙行者は結婚式で重要な役割を果たす。
The marriage solemnizer plays an important role at the wedding ceremony.
Compound of 婚姻 (marriage) + 挙行 (holding a ceremony) + 者 (person).