We found one dictionary that defines the word unpaid workers:

General (1 matching dictionary)

1. unpaid workers: Vocabulary.com

(Note: See unpaid_worker as well.)

Definitions from WordNet (unpaid worker) ▸ noun:  a person who performs voluntary work ▸ Also see unpaid_worker ▸ Words similar to unpaid workers ▸ Usage examples for unpaid workers ▸ Idioms related to unpaid workers ▸ Wikipedia articles (New!) ▸ Words that often appear near unpaid workers ▸ Rhymes of unpaid workers ▸ Invented words related to unpaid workers