deceitful or dishonest behavior

धोखेबाज़ी

English Usage: His knavery was evident when he cheated his friends out of their money.

Hindi Usage: जब उसने अपने दोस्तों से पैसे धोखेबाज़ी की, तो उसकी धोखेबाज़ी स्पष्ट थी।