/ɪksˈtɔːʃənɪst/ – noun
Definition: kẻ tống, moi (tiền), kẻ đào mỏ.
A more thorough explanation: An extortionist is a person who obtains money, property, or services from another individual through coercion, intimidation, or threats of harm. Extortion is a criminal offense that involves the unlawful extraction of something of value from another person by using fear or force.
Example: The extortionist threatened to release compromising photos unless the victim paid a large sum of money.