Ghost (slang)

From Memory Alpha, the free Star Trek reference.

A "ghost" is a 21st century slang term for a person who lives in a Sanctuary District and is violent and hostile towards the other residents.

Biddle Coleridge was the leader of the "ghosts" in Sanctuary District A in 2024. (DS9: "Past Tense, Part I", "Past Tense, Part II")