Pride of Baghdad
Pride never fades away
She appears to be scared and frightened. She is depicted as a Sunni Iraqi. Freedom for this character means to be free and not being caged and roam around the wilderness. "We must find a way to get out of here" is a quote of her views on freedom. When she was a zoo animal so thought she will be stuck there forever.
What freedom means to me is that there is nobody controlling or telling you what to do without free will. I have the freedom to talk and to go anywhere. But the government is keeping an eye on us, make sure we don't do anything drastic.
Because if he would humans it would be more rated R. Which means in the book how Ali got shot to death would be a disturbing scene and also how Safa got raped, that will also be disturbing. Instead Brian K. Vaughan use lion to replace humans because of the the extreme graphical content the humans in the graphic novel will face.
It would be less effective to use humans because we already know an ordinary life of a human and how that person lives his life during war. So instead using animals is more effective then humans.