Quartermasters (WoW)  

Definition

There are four types of Quartermasters in World of Warcraft. Each type has a different function.

Faction Quartermasters are NPCs that offer items (armor, recipes, weapons, etc) only once a player gains a certain amount of reputation among the different sets of factions (see Reputation.

Cloth Quartermasters are NPCs that take stacks of cloth in exchange for reputation with the associated factions.

PvP Quartermasters take PvP tokens and Honor and reward items (armor, weapons, potions, etc).

Miscellaneous Quartermasters are NPCs that have "Quartermaster" in their name, but serve none of the above functions.

Faction Quartermasters