Lo-Ammi means "not my people." In Hosea, God tells Hosea to give this name to his son because Israel has broken covenant fellowship: "you are not my people, and I will not be your God" (Hosea 1:9).
Lo-Ammi is the third symbolic child-name in Hosea 1. Hosea's family life becomes a prophetic sign of Israel's unfaithfulness to Yahweh (Hosea 1:2). Jezreel warns of judgment on Israel's kingdom, Lo-Ruhamah signals the removal of mercy from the northern kingdom, and Lo-Ammi names the deepest rupture: the covenant relationship itself is being publicly denied (Hosea 1:4-9).
Yet the next verses immediately move toward hope. The same passage says that those once told "you are not my people" will be called sons of the living God (Hosea 1:10). Hosea does not soften judgment, but he also refuses to make judgment the final word.
Lo-Ammi is not merely a harsh name. It is a prophetic sign that exposes the seriousness of covenant betrayal. At the same time, Hosea places that sign beside future restoration.
The name helps readers feel both the pain of broken fellowship and the mercy of promised restoration. Hosea's message is severe because God's covenant love is real, not casual.
8Now when she had weaned Look-ruhamah, she conceived, and bore a son.
9[Yahweh] said, Call his name Look-ammi; for you are not my people, and I will not be your [God].