'Keep' in the Bible

and said, I beseech thee, Jehovah, God of the heavens, the great and terrible God, that keepeth covenant and mercy for them that love him and keep his commandments.

but if ye return to me, and keep my commandments and do them, though there were of you cast out unto the uttermost part of the heavens, yet will I gather them from thence, and will bring them unto the place that I have chosen to set my name there.

joined with their brethren, their nobles, and entered into a curse and into an oath, to walk in the law of God, which had been given by Moses the servant of God, and to keep and do all the commandments of Jehovah our Lord, and his ordinances and his statutes;

And I commanded the Levites that they should purify themselves, and that they should come and keep the gates, to hallow the sabbath day. Remember this also for me, my God, and spare me according to thy great loving-kindness!