'Covenant' in the Bible

The earth also is polluted by its inhabitants, because they have transgressed laws, violated statutes, and broken the everlasting covenant.

Because you have said, “We have made a covenant with death,And with Sheol (the place of the dead) we have made an agreement,When the overwhelming scourge passes by, it will not reach us,For we have made lies our refuge and we have concealed ourselves in deception.”

“Your covenant with death will be annulled,And your agreement with Sheol (the place of the dead) will not stand;When the overwhelming scourge passes through,Then you will become its trampling ground.

The highways are deserted, the traveler has ceased [to appear].The enemy has broken the covenant, he has rejected the cities,He has no regard for [any] man.

“I am the Lord, I have called You (the Messiah) in righteousness [for a righteous purpose],I will also take You by the hand and keep watch over You,And I will appoint You as a covenant to the people [Israel],As a light to the nations (Gentiles),

Who is blind but My servant [Israel],Or deaf like My messenger whom I send?Who is blind like the one who is at peace with Me [in a covenant relationship],Or so blind as the servant of the Lord?

This is what the Lord says,“In a favorable time I have answered You,And in a day of salvation I have helped You;And I will keep watch over You and give You for a covenant of the people,To restore the land [from its present state of ruin] and to apportion and give as inheritances the deserted hereditary lands,

“For the mountains may be removed and the hills may shake,But My lovingkindness will not be removed from you,Nor will My covenant of peace be shaken,”Says the Lord who has compassion on you.

“Incline your ear [to listen] and come to Me;Hear, so that your soul may live;And I will make an everlasting covenant with you,According to the faithful mercies [promised and] shown to David.

This is what the Lord says,“To the eunuchs who keep My SabbathsAnd choose what pleases Me,And hold firmly to My covenant,

“Also the foreigners who join themselves to the Lord,To minister to Him, and to love the name of the Lord,To be His servants, everyone who keeps the Sabbath without profaning itAnd holds fast to My covenant [by conscientious obedience];

“As for Me, this is My covenant with them,” says the Lord: “My Spirit which is upon you [writing the law of God on the heart], and My words which I have put in your mouth shall not depart from your mouth, nor from the mouths of your [true, spiritual] children, nor from the mouth of your children’s children,” says the Lord, “from now and forever.”

For I, the Lord, love justice;I hate robbery with a burnt offering.And I will faithfully reward them,And make an everlasting covenant with them.