組長|くみちょうkumichou[2]nakadaka (mid-high)

1. nounboss (esp. yakuza); foreman
   暴力団ぼうりょくだんの組長くみちょうは団員だんいん全部ぜんぶに規則きそくを守まもらせ、恐怖感きょうふかんによって、団員だんいんを掌握しょうあくした。↗

   The gang leader made all the members toe the line, keeping control through fear.

• Related部長ぶちょうNeutralA department head in a company or agency, or the head of a school club; 「組長」 usually means a yakuza boss or a neighborhood-association group head.
• Related隊長たいちょうNeutralLeads a 「隊」 (squad, expedition), as in 「探検隊の隊長」; unlike 「組長」 it has no gangster overtones.
• Related旗頭はたがしらWrittenA written word for the boss of a faction; stresses the person out in front leading the group.
• RelatedキャプテンNeutralLoanword for the captain of a sports team or a ship; sports-oriented and not used for yakuza bosses.
• RelatedチーフNeutralLoanword for a chief or supervisor, as in 「チーフシェフ」; leans toward the person in charge on the spot.
• Related頭目とうもくWrittenA written word for a chief or boss, as in 「盗賊の頭目」; tends to suggest an unlawful gang or band.
• Related頭分かしらぶんCasualColloquial word for a boss or leader; old-fashioned in flavour and leaning to underworld gangs.
• Antonym組員くみいんNeutralA member of a criminal organization such as a yakuza group — the rank-and-file under a 「組長」.
• Antonym平社員ひらしゃいんNeutralAn ordinary employee with no job title; opposed to a 「組長」-type boss only in rank level, not within the same organization.

Use 「組長」 for the head of a 「組」, especially a yakuza boss: 「暴力団の組長」「町内会の組長」. Company departments take 「部長」, squads and expeditions 「隊長」, sports teams and ships 「キャプテン」, workplace supervisors 「チーフ」. In writing, 「旗頭」 suits a faction leader and 「頭目」 an unlawful gang's chief; colloquial 「頭分」 is old-fashioned gang talk. Opposites: 「組員」, 「平社員」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 組くみと名なのつく集団しゅうだんの長ちょう。