blackmail

• exert pressure on someone through threats
• extortion of money by threats to divulge discrediting information
• obtain through threats
• A certain rate of money, corn, cattle, or other thing, anciently paid, in the north of England and south of Scotland, to certain men who were allied to robbers, or moss troopers, to be by them protected from pillage
• Payment of money exacted by means of intimidation
• Black rent, or rent paid in corn, flesh, or the lowest coin, a opposed to "white rent", which paid in silver
• To extort money from by exciting fears of injury other than bodily harm, as injury to reputation, distress of mind, etc

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