稼かせぎ頭がしら

noun

breadwinner; main earner

Refers to the person who earns the most money in a household or group, or the primary financial provider.

• 彼かれが一いっ家かの稼かせぎ頭がしらだ。

  He is the breadwinner of the family.

• この部ぶ署しょでは彼かの女じょが稼かせぎ頭がしらだ。

  She is the biggest earner in this department.