spokesperson

政府報道官

An individual who communicates the position and policies of the government to the public and the media.

政府の立場や政策を国民やメディアに伝える個人。

部門の報道官

A person officially designated to speak on behalf of a specific department within a larger organization (e.g., State Department).

より大きな組織内の特定の部門（例：国務省）を代表して公式に発言するよう指名された人物。

A person authorized to speak for a government ministry (e.g., Ministry of Defence).

組合のスポークスマン

An individual who represents and speaks for a trade union or labor union.

労働組合を代表して発言する個人。