noun
main guest; guest of honor
Refers to the most important guest at a formal event such as a wedding, banquet, or ceremony.
結婚式の主賓としてスピーチを頼まれた。
I was asked to give a speech as the guest of honor at the wedding.
主賓が到着するまで、会を始められない。
We cannot start the event until the main guest arrives.