Fluff
From KSI Wiki
"Fluff" is regarded as a "stub". You can help the KSI Wiki by providing further information on it.
verb
1. make (something) appear fuller and softer by shaking or brushing it.
Fluff is a term used to describe members that are no longer active within a squad of KSI, but are still showing as a part of the community making squads or divisions appear larger than they are.