Answer: Casualty
Explanation: Casualty is a person who is injured, disabled or killed during an event, which may be an accident, a non-violent incident, a disaster, or a war. Usually, the term "casualty" implies the death of a large number of people during one of the above events. In the particular case of "casualty of war", human casualties are understood as an ugly expression of military defeat. Also, under this term are implied and missing and captured during war events.