m" s(ə)n(ə)ri/ adj interestedin money  I don’t want to sound mercenary,but how much did you pay for your ticket?Synonym acquisitive. Antonym altruistic noun a soldier who is paid to fight for aforeign country  He was one of a group ofmercenaries hired to protect the president. 

To work as a freelancer, To produce and sell as a freelancer, verb_ work independently and on temporary contracts rather than for a long-term employer, adjective_ serving for wages in a foreign army, working for yourself, Of, or relating to a freelance; without contract, noun_ Someone who sells his services to employers without a long-term contract, A medieval mercenary