worker; good worker
Refers to a person who works, often with a nuance of being a diligent or capable worker. The 'good worker' gloss is a natural extension, not a separate sense.
He is truly a hard worker.
This company has many excellent workers.
Compound of 働き (hataraki, 'work') and 人 (hito, 'person'), with rendaku voicing of 人 to びと.