"Blacklist" is a term used to describe a list of individuals, organizations, or entities that are denied certain privileges or services. This can occur in various contexts, such as finance, employment, or online platforms, where being on a blacklist can lead to significant consequences, including restricted access or opportunities. In popular culture, "Blacklist" is also the title of a television series that premiered in 2013. The show follows Raymond Reddington, a former criminal mastermind who mysteriously surrenders to the FBI and offers to help catch high-profile criminals, but only if he can work with a specific profiler, Elizabeth Keen.