The Rham (concept)
The Rham is the Amsari covenant to never engage in the evils of slavery. Every Amsari child learns this from birth, and as a result their culture has developed a deep and abiding pride in their status as free men and women. The very idea of enslavement is considered abhorrent to their society, something born of a nightmare conjured out of the darkest days of their history. One of the pacts of the covenant is that any slave who remains on Amsari soil when the sun sets is immediately rendered free - though actual enforcement of this law upon those foreign merchants foolish enough to bring their slaves with them has been lax at best.