noun / adjective
mercenary
MUR-suh-nair-ee/ˈmɜːrsəneri/
Acting chiefly for financial reward.
The mercenary receives his pay from an envoy beside the camp.

Etymology
The wage root points to someone serving for pay. Originally a general term for a hired worker, mercenary became specifically a professional soldier serving a foreign army.
In context
He decided to go to Italy where there were wars where you could be paid as a mercenary.
More examples
- The army hires mercenaries to defend the border.
- Her mercenary attitude puts profit ahead of patient care.
- He chooses wealthy friends for purely mercenary reasons.
Forms
mercenary · mercenaries · more mercenary · most mercenary