[ geymz-muh n ]
/ ˈgeɪmz mən /

noun, plural games·men.

a person who is skilled at manipulating events and circumstances to gain or maintain personal advantage, especially in business or politics.
a person who enjoys playing games of skill.

Origin of gamesman

First recorded in 1930–35; game1 + -s3 + -man Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019