Translation guide
The person ranked immediately below the leader in an organization, team, or group. Japanese has several terms depending on formality, context, and structure.
Referring to the person who is second in rank or authority, in a general or neutral context.
A formal, military-style term for a deputy commander or second-in-command. Used in official or hierarchical settings.
彼は軍の副司令官に任命された。
He was appointed second in command of the army.
A common, casual way to say 'number two' in an organization. Widely understood and used in business and media.
彼は会社のナンバー2だ。
He is the second in command at the company.
Refers to the second seat or position, often used in formal contexts like committees or official rankings.
彼は次席として会議に出席した。
He attended the meeting as the second in command.
Specifically an adjutant or aide-de-camp in a military context. More about assisting a commander than being the outright second-in-command.
副官が司令官の命令を伝えた。
The adjutant conveyed the commander's orders.
Describing the second-highest ranking person in a company or department.
Vice president of a company. The standard term for the second-in-command in a corporate hierarchy.
彼は副社長に昇進した。
He was promoted to vice president, becoming second in command.
Senior managing director, often the second-in-command after the president in Japanese companies. More specific than 'vice president'.
Deputy department head. Used when referring to the second-in-command within a specific department.
Referring to the second-in-command in a less formal setting, like a sports team, project group, or gang.
Vice-captain. Common in sports teams and clubs.
彼はチームの副キャプテンに選ばれた。
He was chosen as the team's second in command.
Sub-leader. A casual, borrowed term often used in project teams or informal groups.
彼女はプロジェクトのサブリーダーを務めている。
She serves as the second in command of the project.
Underboss in a yakuza organization. Very specific to Japanese organized crime context.
Specifically for military or hierarchical command chains.
Deputy commander. The most direct military term for second-in-command.
副司令官が作戦を指揮した。
The second in command directed the operation.
Second-in-command officer. A more literal and formal term, less common in everyday speech.
次席指揮官が部隊を率いた。
The second-in-command led the unit.
Direct translations like '第二の指揮官' (daini no shikikan) are unnatural. Use context-appropriate terms like 副司令官 or ナンバー2.
Prefix 副 (fuku) is formal and attaches to titles (副社長, 副キャプテン). ナンバー2 is casual and works across contexts but is less precise.
The senior managing director acted on behalf of the president.
副部長が部長の不在中に指揮を執った。
The deputy department head took charge while the department head was away.
彼は組の若頭だ。
He is the second in command of the gang.