blackmail

to force someone to pay or do what is wanted by saying that their secrets will be made public

To speak ill of someone; to defame someone.

The extortion of money or favors by threats of public accusation, critique, or exposure.

Compromising material that can be used to extort someone.

(historical) Black rent; rent paid in corn, meat, or the lowest coin, as opposed to white rent, which was paid in silver.

A type of roleplay where the submissive shares information that may be exploited by the dominant.

(no longer used) A form of protection money (or corn, cattle, etc.) anciently paid, in the north of England and south of Scotland, to the allies of robbers in order to be spared from pillage.