Definitions:

1. A product, service, or investment that generates revenue or profit. NOUN
   • The latest software has proven to be a major earner for the company.
2. Refers to a person who earns wages, a salary, or income. NOUN
   • She is the primary earner in the household.
3. Someone who earns wages in return for their labor. NOUN
   • As a wage earner, she carefully budgets her weekly pay.

Synonyms:

• breadwinner
• income generator
• money maker
• provider
• wage earner