In Game of Thrones, Jorah Mormont was a knight from House Mormont in Westeros who fled to the Free Cities to avoid execution and became a mercenary for the exiled Targaryens. At first he spied on Daenerys for Varys, the spymaster of Westeros. He developed a deep devotion to Daenerys and became loyal, but when she found out about his past spying, she exiled him.
Jorah is a variant of Yarikh, a moon god in Caanaite relgion. In 2014, 7 boys in the U.S. were anmed Jorah.