IPA: /ˈɡeɪmz.mən/
KK: /ˈɡeɪmzˌmæn/
A person who plays a sport or game, often with skill and enthusiasm.
He is a talented gamesman who excels in various sports.
Gamesman → The word is formed from 'game' (from Old English *gamen*, meaning amusement or play) and 'man' (from Old English *mann*, meaning person). A gamesman is a person who engages in games or play, often in a competitive context.
Think of someone who is a 'person' ('man') involved in 'play' or 'amusement' ('game') — that's what a gamesman is.