"Sacrificial love" refers to a kind of love where someone willingly puts the needs and happiness of others before their own, even if it requires personal sacrifices or selflessness. Full definition
The religious understanding of the conflict between good and evil, the fact of the stubborn resistance of the human heart to the love of God and its demands, the vision of the divine strategy of sacrificial love in the life and death of Jesus as the climax of history, all this is foreign to most of the philosophies of progress, but it was the heart of the great expressions of Christian liberalism. (religion-online.org)
(The second aspect of Christ the Truth was treated by Niebuhr under the heading of «the second Adam» — a disclosure of sacrificial love as the perfect form for human nature.) (religion-online.org)
While being held, the couple apparently treated their captors with sacrificial love. (religion-online.org)