Definition of worker
1a
: one that works especially at manual or industrial labor or with a particular material
a factory worker
—often used in combination
b
: a member of the working class
2
: any of the sexually underdeveloped and usually sterile members of a colony of social ants, bees, wasps, or termites that perform most of the labor and protective duties of the colony
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Merriam-Webster unabridged
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Time Traveler for worker
The first known use of worker was in the 14th century
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