This is the 7950th most frequent Chinese word.
骗子
Swindler; cheat; fraud.
In this sentence, 骗子 is used as a noun to directly describe a person who lies or deceives others.
他是个骗子，老是骗人。
He is a liar, always deceiving people.
Here, 骗子 emphasizes the deceitful nature of the individual as related to their actions, such as creating deceptive schemes.
那游戏根本就是个骗局，设计者真是个大骗子。
That game is fundamentally a scam; the designer is truly a big liar.
In this instance, 骗子 is described in contrast to the suspected behavior, showcasing its use in judgment and assessment of honesty.