Fennesz

Fennesz is a character introduced in the last episode of the fourth season. He is played by Trevor Allan Davies.

Background
Fennesz was a slave in the service of Master Mighdal, one of the Great Masters of Meereen, and charged with educating the children of the household. In his own opinion, he was treated well by his master and loved by the children he taught. He speaks several languages, including Old Ghiscari and the Common Tongue.

Season 4
Shortly after her army took Meereen and freed all the slaves,