Definition of "worker"

Fret not thy ſelfe becauſe of euill doers, neither bee thou enuious againſt the workers of iniquitie.

1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], Psalms 37:1

Writer Ta Chen, in a statistical study of industrial labor in China in 1933, recorded that 66.6 percent of the total number of workers in the four main industrial regions of Kwangtung were women. In Shun-te, 81.2 percent of the labor force were women.

1986, Janice G. Raymond, A Passion for Friends: Toward a Philosophy of Female Affection‎, Boston: Beacon Press, page 124

Manganism has been known about since the 19th century, when miners exposed to ores containing manganese […] began to totter, slur their speech and behave like someone inebriated. The poisoning was irreversible, and soon ended in psychosis and death. Nowadays workers are exposed to far lower doses and manganism is rare.

2014 April 21, “Subtle effects”, in The Economist‎, volume 411, number 8884

Although the radiation levels identified are high, a threat to human health is very unlikely because apart from workers at the site, no-one goes there.

2017 February 2, Jeff Farrell, “Fukushima nuclear disaster: Lethal levels of radiation detected in leak seven years after plant meltdown in Japan”, in The Independent‎, London