After rebuking those monks in many ways, they told the Buddha. Soon afterwards he had the Sangha gathered and questioned those monks: “Is it true, monks, that you do this?” “It’s true, sir.” The Buddha rebuked them … “Foolish men, how can you do this? This will affect people’s confidence …” … “And, monks, this training rule should be recited like this:

Final ruling ‘If a monk engages in malicious talebearing between monks, he commits an offense entailing confession.’”

Definitions Malicious talebearing: there is malicious talebearing in two ways: for one wanting to endear himself and for one aiming at division. One engages in malicious talebearing in ten ways: about caste, about name, about family, about occupation, about profession, about illnesses, about physical traits, about defilements, about offenses, and by name-calling.

Permutations Permutations part 1 Definitions

Caste:

there are two kinds of castes: low castes and high castes. Low castes: outcasts, bamboo workers, hunters, carriage makers, waste removers—these are called “low castes”. High castes: aristocrats and brahmins—these are called “high castes”. (To be expanded as in previous rule.)