 Here are 10 signs that someone could be a master manipulator. 1. They don't always seem intimidating. 2. They assume that humans are inherently evil. 3. They find a practical necessity for manipulation. 4. They like to embellish stories. 5. Their phrasing is ambiguous. 6. They use passive aggressiveness. 7. They often use others for personal gain. 8. You're scared to say no to them. 9. They talk in circles. 10. They're diagnosed with a personality disorder. Do any of these describe your experience?