a member of the working class (not necessarily employed)
"workers of the world--unite!"
sterile member of a colony of social insects that forages for food and cares for the larvae
"The queen bee rarely leaves the hive, leaving the worker bees to gather nectar and tend to the developing larvae."
A person who performs labor for a living, especially manual labor.
"After years of working on construction sites as a worker, he finally earned enough to buy his own tools."
In plain English: A worker is someone who does a job to earn money.
"The worker fixed the broken machine while waiting for his supervisor to arrive."
Usage: Use "worker" to refer specifically to an individual performing paid work or manual labor rather than the general concept of employment. It is often interchangeable with terms like employee when emphasizing the act of doing tasks instead of holding a specific job title.
The word worker comes from Middle English and originally meant someone who performs work. It eventually replaced the older term wright in common usage.