Shared ground
Isaiah 63:1–3 presents a vivid dialogue. An observer sees a powerful figure coming from Edom (from Bozrah) in striking garments, moving with obvious strength. The figure identifies himself as one who “speaks in righteousness” and is “mighty to save.” The next question is about the shocking detail: his clothes are red, like someone who has been stomping grapes. The figure explains the redness as enemy blood from crushing “them” like grapes in a winepress, done alone with no helper.
Explicitly in the text, the scene holds together two themes at once: rescue (“mighty to save”) and violent defeat of enemies (trampling that splashes lifeblood onto clothing). The passage uses concrete imagery (winepress work, stained clothes) to communicate the outcome of conflict.
Where interpretation differs
Who the speaker is. Some read the warrior as the LORD himself speaking in the first person, because of the moral claim (“speak in righteousness”) and the saving power claim. Others read the warrior as a representative agent (a human champion, angelic figure, or poetic persona) who speaks for God or embodies God’s action in a vision.
How to read Edom/Bozrah and “the peoples.” Some take Edom and Bozrah as literal locations named because they were historic rivals and a plausible “frontier” origin for a returning victor. Others think Edom functions more like a symbolic stand-in for hostile nations generally, so the place names set the scene for a larger picture of God’s victory over enemies.
Why the disagreement exists
The passage is highly visual and does not explicitly name the warrior as “the LORD” within verses 1–3. At the same time, the warrior’s self-description (“I who speak in righteousness, mighty to save”) sounds larger than an ordinary soldier. Also, Edom can be read either as a real neighboring nation with a long memory of conflict or as a representative enemy space. Because the text does not spell out these identifications here, readers infer them from broader themes in Isaiah and from how prophetic poetry often works.
What this passage clearly contributes
The passage adds a stark image of victory that is both moral and forceful: the one approaching claims truthfulness (“speaks in righteousness”) and real power to rescue, and the red-stained garments are explained as the result of personally crushing enemies, without assistance. It frames salvation and judgment as closely linked in the same deliverer. It also introduces the idea of solitary action (“alone; no one with me”), emphasizing unmatched capability and decisive agency in the defeat described.