Caste of Tharlarion Keepers
Here are relevant references from the Books where the Caste of Tharlarion Keepers is mentioned.
While not specifically titled a Caste, this group is mentioned along with others that are.
I make no pronouncements on these matters, but report them as I find them.
Arrive at your own conclusions.
I wish you well,
"He has sponsored many games," said a Tharlarion Keeper.
Assassin of Gor Book 5 Page 231
I heard the bellowing of an agonized tharlarion from below, and saw some led from burning towers, their harnesses cut. One, tearing itself free, heedless of the cries and blows of its keeper, ran blindly back toward the city, the men among the engines breaking apart, or climbing on the engines, to let it pass.
Renegades of Gor Book 23 Pages 287 - 288
"I will try to be more pleasing to my Master," she said.
"I should give you to a tharlarion keeper," he said.
Vagabonds of Gor Book 24 Page 488