骗 is very versatile: 骗人 (deceive people), 骗钱 (swindle money), 受骗 (be deceived), 上当受骗 (be taken in). It ranges from playful white lies to serious fraud.
history
The character has 马 (horse) on the left — historically, horse trading was rife with deception. The right side 扁 provides the sound.