She worked for Kraznys befored and that gave some hilairous situations when she had to change his words all the time. She seems very loyal to Dany now and I think she will return later in the series. Seems like a nice girl.
"as Missandei. Dany's new handmaiden, Missandei was a slave and interpreter, and entertainingly translated the Slaver's Bay leader's foul language into more suitable words. Now she is a loyal friend and handmaiden to Dany.
"Missandei is a servant of Daenerys Targaryen and former slave. She is Naathi. Three of her brothers are Unsullied but one was killed in training and only Marselen and Mossador remain. She has a sweet, strong voice."