sacrifice

the act of losing or surrendering something as a penalty for a mistake or fault or failure to perform etc.

personnel that are sacrificed (e.g., surrendered or lost in order to gain an objective)

a loss entailed by giving up or selling something at less than its value; "he had to sell his car at a considerable sacrifice"

the act of killing (an animal or person) in order to propitiate a deity

(baseball) an out that advances the base runners

endure the loss of; "He gave his life for his children"; "I gave two sons to the war"

kill or destroy; "The animals were sacrificed after the experiment"; "The general had to sacrifice several soldiers to save the regiment"

sell at a loss

make a sacrifice of; in religious rituals