It is bad enough to be tortured and degraded by one mistress especially using shit. But this guy suffered the misfortune of being degraded and humiliated by many mistresses. They were ten in total and he had to eat all their shit and swallow it. He had to drink their pee as well and endure being used as their human toilet. He had no choice and had to do what they wanted.
To make sure the slave did not take advantage and lick her pussy and clit, Gaia shit on the slave while squatting