Knave (noun)

A man who is unprincipled, dishonest, or untrustworthy.

Origin:

The word knave comes from old english "cnafa" which means "boy, servant, or low-ranking person" and is related to the german word "knabe" meaning "boy". it is used to describe a man who is unprincipled, dishonest or untrustworthy.

Examples:

1. He was a knave, always looking for ways to cheat or deceive others.
2. She had no time for knaves, she could always spot a dishonest person.
3. The knave was caught in the act of stealing from the company.
4. He had a reputation as a knave, known for his shady deals and dishonest practices.
5. The knave was a master of disguise, always able to hide his true intentions.