Sage

The title sage is a term used by many races including the tauren, pandaren, arakkoa, mogu and others.

Known

 * The draenei Council of Exarchs, formed by Prophet Velen, is called a council of sages. The wisest draenei sages wear a signet ring.
 * Arakkoa have sun-sages and shadow-sages, using respectively holy (solar) and shadow magic.
 * Tidesages are Kul Tiran humans who revere the seas.
 * Tortollans have scrollsages.

Named

 * Akama the Elder Sage
 * Velen
 * Sulthis
 * Otonbu the Sage
 * Sage Korolusk
 * Sage Palerunner
 * Sage Truthseeker
 * Spirit Sage Gartok
 * Spirit Sage Zran
 * Dam'ren
 * Elder Sage Rain-Zhu
 * Elder Sage Snow-Ting
 * Elder Sage Storm-Sing
 * Elder Sage Tai-Feng
 * Elder Sage Thunder-Lei
 * Elder Sage Wind-Yi
 * High Sage Viryx
 * Runesage Floki
 * Sage Aeire
 * Sage Behofomat
 * Sage Earth and Sky
 * Sage Edan
 * Sage Highmesa
 * Sage Ja-Ro
 * Sage Liao
 * Sage Lotusbloom
 * Sage Mistwalker
 * Sage Paluna
 * Sage Whiteheart
 * Sagepaw
 * Shadow-Sage Brakoss
 * Shadow-Sage Iskar
 * Spirit-Sage Gaoquan
 * Sun-Sage Chakkis
 * Sun-Sage Kairyx
 * Sun-Sage Rathyx

Units

 * Death's Head Sage
 * Ghostly Sage
 * Iron Rune Sage
 * Nightborne Sage

In the RPG
Among jungle troll sages can be shadow hunters, witch doctors, priests, and some warriors.

Speculation
There was a human paladin called Sage Truthbearer. "Sage" may have been his first name and not a title.