Aggression
When he first arrived at the rescue center, Kahn reportedly acted in a very belligerent manner, as stated by his caregivers. As a direct consequence of this, the crew had an extremely difficult time assisting him and communicating with him.
Not Enough Food
When it was time to give him something to eat, he turned into a very unfriendly animal because his former owners did not supply him with a suitable supply of nourishment. This is another form of abuse, from our point of view.