gamer

noun4

1. •
   A person who plays any kind of game.
2. •
   A person whose hobby is video games.

   • That the Parliament congratulates the online gamer, Harry Brewis, who is known by the handle HBomberGuy, […] — 2019
3. •
   A person who games the system.

   • […] the real "takers" in this country are commercial gamers of the system who are only in it to swipe a fast buck from the common trust. — 2016
4. •
   (no longer used) A gambler.

   • The gamer is farther from restoration even than the drunkard, because what he does he does in the light of sobriety and reason. — 1845