sandbagger

/ˈsændˌbæɡər/
noun
  1. A person who uses unfair or deceptive methods to gain an advantage, especially in a game or competition by pretending to be less skilled than they really are.
    • In the golf tournament, they disqualified the sandbagger for deliberately lowering his handicap.
    • Don't trust his humble attitude at the chess club — he's a sandbagger who beats everyone easily.
    • The poker player was a known sandbagger who pretended to be a beginner to win big pots.
  2. A person who uses sandbags, especially to build protective barriers against floods or in military fortifications.
    • Volunteers worked as sandbaggers all night to hold back the rising river.
    • During the storm, the sandbaggers filled hundreds of bags to protect the town.
    • The army trained every soldier to be a sandbagger for quick defensive positions.
Antonyms
What does "sandbagger" mean? | whatsthatwordmean | whatsthatwordmean