/ ˈɜːnə(r); NAmE ˈɜːrn-/ noun
1.
a person who earns money for a job that they do :
high / low earners
—see also wage earner
2.
an activity or a business that makes a profit :
Tourism is the country's biggest foreign currency earner.
( BrE , informal )
Her new business has turned out a nice little earner .