4 songs in the Book of Isaiah (42:1-4; 49:1-6; 50:4-7; 52:13-53:12) about a "servant of YHWH" called to lead the nations, horribly abused, and eventually rewarded; interpreted as a metaphor for the Jewish nation or for Jesus Christ
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).