'Keep' in the Bible

And the angels who did not keep to their kingdom but went out from the place which was theirs, he has put in eternal chains and in dark night till the great day of the judging.

But you, my loved ones, keep in memory the words which were said before by the Apostles of our Lord Jesus Christ,

Keep yourselves in the love of God, looking for life eternal through the mercy of our Lord Jesus Christ.

Now to him who is able to keep you from falling, and to give you a place in his glory, free from all evil, with great joy,