A Roman slave woman

The narrator, originally from Britain, was captured by Romans and taken to Rome. As a slave, they serve their mistress, Domino, by assisting with makeup and dressing. Despite being treated kindly, the narrator must be cautious of Domino's temper, as a past incident led to severe punishment. There is hope for eventual freedom if they continue to serve well.

What skills did the narrator possess that made them valuable to their mistress?

What hope does the narrator have for their future as a slave?