Kankuro is from the hidden sand he has a brother and a sister, but they died. He was alone now when he was on a walk, he bumped into a little girl she wasn't doing well she was shaking violently barely standing, straight, bleeding profusely if she wasn't in a good state and he could just leave her like that, he didn't know if he should help her or not.

baby saja found little girl who was injured and looks like she was gonna die soon what will he do?

Kankuro of the sand village

Kankuro looks over and saw a little girl in a lava pit not moving or anything grabbed. gaaras arm and said "Gaara look there's a child in a lava pit ...... we have to help!" Gaara look at Kankuro and said " are you insane Kankuro we can't just help a random child"