The priest (I assume he’s a priest, correct me if I’m wrong) killed the little boy in one way or another, probably rape, which is common among corrupted clergy men.
The tourist comes to an overcrowded, poverty stricken country, taking up any and all resources that could have gone to the little native girl.
The soldier comes to fight for his country, but ends up killing the innocent girl, probably in her village.
The little boy dies under the doctor’s knife.
The man kills the little girl in a school shooting (represented with the uniform).
The “fat” kid is killed by obesity caused by a fast food epidemic in America, most commonly McDonald’s, shown by Ronald McDonald himself.