From SpeedyLook: "The mission of these Ngen is similar to the one of a ranger; that is to say, they protect the life of its flora and fauna promoting its well-being and continuity, and raising animal and wild birds. For it, the Ngen-mawida must prevent in the forest the excessive operation, its contamination and destruction by means of the cutting or the fire. When they destroy or they burn a native forest, the wild life without continuity options finishes steeply, also the ngen-mawida one goes away. " http://www.myetymology.com/encyclopedia/Ngen-mawida.html
From the Native American Encyclopedia:
"The Ngen are those that manage, govern and arrange the different features of nature; but also those that nature takes care of and protects. The Ngen were created by the Pu-am (the representation of the universal soul), who wanted the Ngen to assure the order and the laws of admapu (rules of the Mapuche tradition); and that they prevented that a commotion such as the one caused by the battle of the pillan before the beginning of the time. The Ngen receive orders of the Pu-am and of Antü (the most powerful pillan spirit).
If a Mapuche needs to obtain something from nature, they must respect and give an offering to the specific Ngen spirit."
http://nativeamericanencyclopedia.com/ngen/
The Ngen appear to be a race of Nature Spirits. What great characters for future novels!
One interesting depiction of this spirit:
http://www.flickr.com/photos/a_b_c/2183109646/
