User blog comment:Omega natsu2/Chapter 357: The Nine Demon Gates, Predictions./@comment-4938779-20131019120926/@comment-7418318-20131019125644

In Terry Goodkinds Sword of Truth series there are groups of poeple who refer to the "Keeper of the Underworld" or just "Keeper" (something like the devil) only as the "Nameless One" because they are afraid that saying his title will bring his attention to the speaker and maybe even some unfortunate consequences.

Maybe it's something like that.