о чем это предостережение?

The literal meaning of Gama in Tibetan is either Woman or Wife, so “Don't be a Gama in the land of Lama” means it's not a right place for a Woman to stay in monasteries where the Lama's or learned religious leaders stays. As there is possibility that she may commit sins by seeking the attention of those learned religious leaders and distracts their religious life to a worldly life.

https://www.quora.com/What-is-the-meaning-of-Dont-be-a-gama-in-the-land-of-lama