ズムッルド / 天幕のジャードゥーガル
She is Zumurrud from Jaadugar: A Witch in Mongolia.

She was a Caucasian woman living in the city of Tus, Iran, in 1220, and was an Iranian slave. Her master and her younger brother, a soldier in the Tus army, were killed during a raid by the Mongol army, and she became one of their spoils of war. She was weakened by the grueling journey to Mongolia and died shortly after arriving there.

She was a fellow slave of Stella (Fatima), the protagonist of Jaadugar: A Witch in Mongolia.