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hireling

American  
[hahyuhr-ling] / ˈhaɪər lɪŋ /

noun

  1. a person who works only for pay, especially in a menial or boring job, with little or no concern for the value of the work.

    Synonyms:
    retainer, lackey, flunky, minion, menial

adjective

  1. serving for pay only.

  2. venal; mercenary.

hireling British  
/ ˈhaɪəlɪŋ /

noun

  1. derogatory a person who works only for money, esp one paid to do something unpleasant

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of hireling

First recorded before 1000; late Middle English hirlyng, Old English hȳrling; hire, -ling 1