Shared ground
Obadiah 1:12–14 presents a tightly packed list of forbidden actions connected to one historical crisis (“in the day of…”). The text portrays Edom as Judah’s “brother,” so the wrongdoing is not only political opportunism but betrayal of kinship obligations. The catalog moves from inner posture and speech (gloating, proud talk) to physical presence and exploitation (entering the gate, seizing wealth) and then to direct harm to vulnerable people (cutting off escapees, handing over survivors). These are explicit textual claims, not later theological guesses.
The repeated time marker (“day,” day) keeps the focus on a concrete disaster for Judah—calamity/distress (calamity, distress)—and exposes how Edom’s actions fit the chaos of invasion: watching, entering, looting, blocking routes, and collaborating in capture.
Where interpretation differs (only where needed)
Past description vs. future warning. Some read the “don’t” statements mainly as a rebuke describing what Edom already did during Jerusalem’s fall (“you should not have…”). Others read them as warnings against repeating or continuing these behaviors, with the rebuke implied by the context.
How literal “enter the gate” is. Many take “enter the gate of my people” as straightforward: Edomites went into Judah’s city spaces to take advantage. Others think it can also picture broader intrusion into Judah’s affairs or territory, using city-gate language as a public, civic symbol.
What “deliver up” entails. “Don’t deliver up those who remain” can be read as handing survivors over to the invaders (betrayal/collaboration). Some also hear the possibility of forced extradition or capture-and-transfer; the point is Edom participates in the oppression rather than protecting fugitives.
Why the disagreement exists
The Hebrew negative commands can function either as a direct prohibition or as a way of accusing someone by describing what should not have happened. Also, phrases like “gate” and “deliver up” can be used in ordinary physical senses or in broader public/political senses, and the brief poetic style does not spell out every detail.
What this passage clearly contributes
This passage defines Edom’s offense as a sequence of escalating hostility during Judah’s collapse: contempt, celebration of ruin, boastful speech, opportunistic entry, theft, and violence against refugees (blocking escape routes and handing survivors over). It clarifies that God’s charge against Edom concerns concrete actions taken “in the day” of Judah’s disaster—not merely ancient rivalry in general. It also shows that betrayal of a “brother” includes both attitude and conduct: what Edom enjoyed, what it said, where it went, what it took, and what it did to the vulnerable.