barbarian, (noun); a native of the planet Earth, usually used in a derogatory sense in reference to slave girls from that planet. Also defined as slave girls captured from outlying regions or cities. Barbarian slave girls from Earth are considered shamelessly sensual.
Similarly, even should you learn to speak flawlessly such things as the fillings in your teeth and the vaccination marks on your arms will continue to mark you as barbarian.
Book 5, Assassin of Gor of Gor: Page 20
"There is another reason, a recent reason, why girls are so cheap in this area," said the young man.
"What is that?" I asked.
"Barbarians," he said.
"Barbarians?" I asked.
"Yes," he said, "unskilled, untrained, raw, luscious little beasts, many of whom can speak almost no Gorean."
Book 17, Savages of Gor of Gor: Page 83
It was an opened, steel slave collar. He held it before me.
"Read the collar," said Rask of Treve.
"I cannot," I whispered. "I cannot read."
Book 7, Captive of Gor of Gor: Page 283