noun
Refers to a person engaged in a specific task, operation, or production, often in industrial, technical, or manual contexts.
工場の作業者は安全マニュアルを守らなければならない。
Factory workers must follow the safety manual.
この機械の作業者は特別な訓練
The operator of this machine has received special training.
Compound of 作業 (work, operation) and 者 (person). A straightforward Sino-Japanese formation.