True believer(s) or The True Believer may refer to: One who strictly adheres to the tenets of a particular religious doctrine. By extension, one who is strongly attached to a particular belief. True-believer syndrome, a term for the irrational persistence of some untenable belief. In the philosophy of Daniel Dennett, a system whose behavior is predictable via the intentional stance. Film and television. True Believer (film), a 1989 drama starring James Woods and Robert Downey, Jr. True Believers (miniseries), a 1988 Australian miniseries featuring Ed Devereaux and Ray Meagher.
https://en.wikipedia.org/wiki/True_believer