She's badass! Duh!
But really though, she went from being the farmer's na´ve daughter, not knowing what the outside world was like, and what her capabilities were until Rick's group showed up on the farm. I think she has a leadership quality about her and she isn't afraid to do whatever needs to be done to make their world better. She's a strong woman.
No matter how much it hurts, how dark it gets or how far you fall, you are never out of the fight. - Marcus Luttrell