贖罪の羊

Cadmean victory, in which a sacrificial lamb either loses a battle or dies but whose actions lead to a greater victory

Cannon fodder, an expression used to denote the treatment of armed forces as a worthless commodity to be expended

Forlorn hope, the initial wave of troops attacking a fortress or other strongpoint, who usually took horrendous casualties

Korban Pesach, also known as the "Paschal Lamb"

Lamb of God, a direct reference to Jesus Christ who, in death, is traditionally considered to have played the role of a sacrificial lamb

Redshirt (character), a stock character in science fiction whose sole purpose is to die violently soon after being introduced

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jisho sacrificial lamb