There are three things, each sacred and bearded: Moon, Monks, and Moss. All connected. Tied together by the Monks of the Bearded Moon, an old order of healers, mystics, bearers of the secret knowledge, and inheritors of the Bearded Moon's gifts. Theirs is a sect full of mystery and bound by ritual.
The birth and life of a god through the long ages.
Two cultures at war.
They will serve up the Light to appease their dark gods.
Diseased people, (leprosy or any other such fear inducing disease) when traveling, will often times wear a cloak that entirely covers their body and ring a bell as they travel, used as a warning for any others to stay away. Could be used for a disguise or safe passage.