A summoner can describe a couple of things in World of Warcraft:

• A mob who can summon other mobs to his aid. This may include anything from warrior-type mobs to beasts or demonic minions.
  • Summoner mobs are typically highly prioritized targets in a fight; either to dispatch quickly, or to keep subdued under crowd control. If they are left to their own devices for long, the number of mobs to fight increases, meaning more damage input on the party, and a longer fight.

• Another term for a Warlock character, who can use Ritual of Summoning.
  • Often used when LFMing: "LFM for Scholomance, have summoner"

 

See also: Summon