Mercenary
From BiblePortal Wikipedia
Mercenary [1]
(1): ( a.) Acting for reward; serving for pay; paid; hired; hireling; venal; as, mercenary soldiers.
(2): ( a.) Hence: Moved by considerations of pay or profit; greedy of gain; sordid; selfish.
(3): ( n.) One who is hired; a hireling; especially, a soldier hired into foreign service.