Wiktionary
berdache
n. (context anthropology English) Among Native Americans, a person who identifies with any of a variety of gender identity which are not exclusively those of their biological sex; a transgender person. (from 19th c.)
Usage examples of "berdache".
What a berdache is, basically, is someone who adopts a gender other than their biological one.
Some berdaches are holy men, others are simply men who do not choose to follow the path of the warrior.