noun
manual laborer; blue-collar worker
Refers to a person who does physical work, often in construction, factories, or similar settings. Neutral term.
彼は若い頃、肉体労働者として働いていた。
When he was young, he worked as a manual laborer.
この地域には多くの肉体労働者が住んでいる。
Many manual laborers live in this area.
Refers to a knowledge worker or white-collar worker, contrasting with the physical nature of 肉体労働者.
Compound of 肉体 (body, physical) + 労働者 (worker, laborer).