'Maintain' in the Bible

"{And then} because you listen [to] these regulations and you diligently keep and you do them, then Yahweh your God will maintain his covenant and his loyal love that he swore to your ancestors.

They will divide it among themselves into seven portions; {Judah will maintain its border} from [the] south, and {the house of Joseph will maintain its border} from [the] north.

Let these my words which I pleaded before Yahweh [be] near to Yahweh our God, by day and by night, to maintain the justice of his servant and the justice of his people Israel {as each day requires}

I know that Yahweh will maintain [the] cause of [the] afflicted, [and] justice for [the] needy.

The house of the proud, Yahweh will tear [it] down, but he will maintain the {property line} of the widow.

For the sake of Zion I will not be silent, and for the sake of Jerusalem I will not maintain a quiet attitude, until her righteousness goes out like the bright light, and her salvation burns like a torch.

Will he be angry {forever}? Will he maintain [it] {always}'? Look, you have spoken, but you have done all the evil that you could."