Cheater is a noun that refers to someone who acts dishonestly or unfairly in order to gain an advantage.
Common usage scenarios:
1. In relationships: "He's such a cheater!" (referring to infidelity)
2. In games: "Don't be a cheater, play fair!"
3. In exams: "The teacher caught three cheaters during the test."
Related terms:
- Cheat (verb): To act dishonestly
- Cheating (noun): The act of being dishonest