The Hebrew noun sarid means a survivor, one who escapes, or a remnant — specifically someone who survives when others are destroyed. It often appears in contexts of military defeat, plague, or divine judgment, where a sarid is the one who escapes to tell the tale or constitute the continuing thread of a people.
Sarid is closely related to the broader theology of the remnant (she'erit) that runs through the prophets. After catastrophic judgment, a sarid survives — not merely by luck but by divine preservation. Job 18:19 uses it negatively of the wicked man's family: 'He has no survivor nor any descendant.' The positive counterpart is Israel's remnant preserved through exile. The New Testament picks up this remnant theology: Paul quotes Isaiah, 'though the number of the Israelites be like the sand by the sea, only the remnant will be saved' (Rom 9:27). Salvation is always the work of grace preserving a remnant.