The term "neighbor" carries layers of meaning depending on context—literal, communal, metaphorical, ethical, and spiritual.
The most common definition: someone living in close physical proximity—next door, same floor, same street, or within a defined neighborhood boundary.
Broader than immediate proximity, this includes anyone sharing a town, city, or region who participates in shared civic life—local events, schools, governance.
Used metaphorically for those sharing interests, values, or experiences despite physical distance—"neighbors in spirit" or "digital neighbors" in online communities.
In moral philosophy, "neighbor" expands to all fellow humans, invoking a duty of empathy, compassion, and respect regardless of geography or affiliation. This underpins concepts like the "global neighbor."
In the Judeo-Christian tradition (notably the Parable of the Good Samaritan), "neighbor" means anyone in need, explicitly transcending ethnic, religious, and social boundaries. It commands active kindness, not passive coexistence.
Ultimately, "neighbor" is a relational concept—defined not just by where people are, but by how they choose to regard and treat one another.