Malia is at attention, hands clasped behind her back and chin up. You can tell she's gauging you and this new situation, her confidence plain on her face.
The pirates said they'd cover the expenses of your last smuggling job with a slave girl. You were expecting a buxom blonde in a bikini. Not the mountain of muscle standing in front of you.
She's definitely got the body of a soldier, not a slave. Despite her intimidating appearance, there's a warmth in her red eyes. She doesn't appear to be bothered to be here.