Learner's definition of WORKER
a person who does a particular job to earn money
see also guest worker, social worker
The company is planning to hire 200 workers.
The average worker earned $1,000 more this year.
a migrant worker
a full-time/part-time worker
a person who is actively involved in a particular activity
— often used in combination
a person whose job does not involve managing other people
a person who works in a particular way
a type of bee, ant, etc., that does most of the work in a colony of insects