As a note, found this online, it pretty clearly spells out the Entzara as sorcerers, and since they are the apex of shaman, I would assume is largely a statement on shaman. Seems weird since in 3.5 shaman were a divine class, and not sorcerers.
Quote:
Now we're on our way to our first Stretch Goal, increasing the page count of the book to a meaty 180 pages! The additional pages will include many new magic items as well as the aforementioned Rune system, new weapons and new Archetypes like the mystic Ehtzara.
Here's a short write up of the Ehtzara to whet your appetite:
The Ehtzara are the tribal sorcerers of the Hinterlands, gaining power and learning spells as well innate knowledge of the natural landscape and its denizens from summoned spirits. They are a mix of three ancient traditions; the original Yhing hir beliefs of ancestor worship, the pagan elemental practices of the indigenous Pengik tribe, and amalgamations of southern magic, superstitions and religious beliefs.
Like all sorcerers upon Arcanis, the Ehtzara suffer under the bias and superstition that they deal with demons and devils to grant them power and are blamed for every malicious act or freak occurrence around them for miles. Unlike other practitioners of the arcane arts, the Ehtzara embrace this preconception and use their frightful presence and ominous reputations to intimidate others and chase off would be attackers or angry mobs.
The training and discipline for the Ehtzara is as rigorous as a monk’s, and an initiate into this group must accept that they will no longer be treated as normal, and often not even as natural. However, they will command respect and fear from all they encounter, and are imbued with many useful and devastatingly effective capabilities in trade for normality and order.