1) One who sticks to his beliefs 2) One who toes the line 3) Staunch supporter 4) Sticker 
In the Dungeons & Dragons and other fantasy role-playing games, the adherer (ər {respell|ad|HEER|ər}) is a type of humanoid creature, often described as a `sticky mummy`.{sfn|McComb, McCreary, Sutter|2010|p=3|ref=Misfits} While the adherer is described as having a mummy-like appearance, it is not technically undead. Instead it is a humanoid co.....
• (n.) One who adheres; an adherent.
Ad·her'er noun One who adheres; an adherent.