noun
department head; section chief; director
In a company or organization, the person in charge of a 部 (department/section). Typically a mid-to-senior management position.
彼は営業部の部長に昇進した。
He was promoted to head of the sales department.
部長、この企画に
Department head, could I get your opinion on this project?
noun
club president; team captain
In a school setting, the student who leads a club or sports team. Often elected or appointed by members.
私は高校でサッカー部の部長を務めていた。
I served as captain of the soccer club in high school.
部長として、新入部員の勧誘に力を入れた。
As club president, I focused on recruiting new members.