'Remnant' in the Bible

But Esaias cries concerning Israel, Should the number of the children of Israel be as the sand of the sea, the remnant shall be saved:

Thus, then, in the present time also there has been a remnant according to election of grace.

And in that hour there was a great earthquake, and the tenth of the city fell, and seven thousand names of men were slain in the earthquake. And the remnant were filled with fear, and gave glory to the God of the heaven.

And the dragon was angry with the woman, and went to make war with the remnant of her seed, who keep the commandments of God, and have the testimony of Jesus.