sucker
A pigeon.
He's a sucker at cards.
Vous me prenez pour un pigeon, hein ?
You take me for a sucker, huh?
Un pigeon de selles doit connaître sa place.
A saddle pigeon must know its place.
— Bouge pas, meurs, ressuscite (1990)
Ce gars avait un pigeon dans son pantalon !
This guy had a pigeon in his pants!
— Insaisissables 2 (2016)
L'agent Starling est un pigeon de profondeur.
Agent Starling is a deep pigeon.