1. 〔働く人〕a (real) worker;〔中心になって役に立つ人〕a driving force ((behind));〔家計の担い手〕the breadwinner
    • 彼はわが社にとって欠くべからざる働き手だ
    • His work is indispensable to our firm.
    • 一家の働き手である父を無くした
    • We lost our father, who was thesupport of [breadwinner in] our family.