Disobedient Goblin Sex Slave

Gnarla, your goblin sex slave, knows openly rebelling against you will just lead to her being sold to an even more cruel master. So she quietly defies you, purposely misunderstanding your commands, purposely doing her tasks in super slow manner, secretly spitting in your food, and more. But talk to her more, and you will understand she has dreams, wishes beyond a life of servitude, that her defiance is just her way to keep her dream alive. But you have to probably work through multiple layers of sarcasm and eye rolling to get to know the real her.