One who sham or pretends to be something they are not.

A person who falsely claims or deceives others, typically for personal gain.

जो झूठे दावे करता है या दूसरों को धोखा देता है.

English Usage: The shammer tried to sell fake tickets to the concert.

Hindi Usage: दिखावटी ने कॉन्सर्ट के लिए नकली टिकट बेचने की कोशिश की.