Hello, Tibetan culture spans hundred of years. But if we are talking pre Modern industrialized Tibet. They were for the most part a slave/ surfdome. Monk were forbidden from working in fields or toiling with live stalk. All land was owned by the monk class and if you worked the land you kept a potion for your self and the rest went to the temple. The monks dictated the portions amd the local administration was used to in force these %. In her article Rebecca Redwood The Golden Yoke: The Legal Cosmology of Buddhist Tibet. Rebecca describes how this system of government was strictly enforced and any notions against the ruling class was met with death.