- Who
- The prophet Joel
- To
- Judah after a devastating locust plague
- Where
- Jerusalem, post-disaster
- When
- Joel's promise of an outpoured Spirit and a remnant of the saved
Why:Paul applies 'the Lord' (Yahweh in Joel) directly to Jesus — a stunning identification of Christ with God.
Context:Peter quotes the same prophecy at Pentecost (Acts 2). Paul extends it: the saving 'name' is universal, available to Jew and Greek alike.