noun
staff officer; military staff
Military term for an officer who assists a commander with planning and operations. Also used in historical contexts.
彼は連隊の参謀として作戦を立案した。
He drew up the operation plan as a staff officer of the regiment.
noun
Extended use for a person who gives strategic advice or devises plans in non-military contexts, such as politics, business, or personal matters.
社長は彼を経営の参謀として信頼している。
The president trusts him as a management adviser.
選挙戦ではベテラン議員が参謀役を務めた。
A veteran lawmaker served as the strategist in the election campaign.