Genesis 12:3 ואברכה מברכיך ומקללך אאר ונברכו בך כל משׁפחת האדמה׃ 

Genesis 12:3 And I will bless them that bless thee, and curse him that curseth thee: and in thee shall all families of the earth be blessed.

and i will prosper you when you prosper you and yours, and if you curse yours, you will be cursed, and we will prosper you and yours in everything from who is captain to the men and their women.

The Hebrew grammar really says a lot more than the English. I did not find any suffixes or prefixes specifying “them”, so this relates to how a person acts towards others maybe. At least from my perspective it does.

Ephesians 2:11 to 13 Wherefore remember, that ye being in time past Gentiles in the flesh, who are called Uncircumcision by that which is called the Circumcision in the flesh made by hands; That at that time ye were without Christ, being aliens from the commonwealth of Israel, and strangers from the covenants of promise, having no hope, and without God in the world: But now in Christ Jesus ye who sometimes were far off are made nigh by the blood of Christ.

Ephesians 2:19 Now therefore ye are no more strangers and foreigners, but fellowcitizens with the saints, and of the household of God;

This is to say Christians who are in the faith inherit and are part of the promise in Genesis. It if this reads different from the KJV translation and my suspicion is correct, then it would be wise not to curse anyone, or hate anyone, and look out for their good, and this is what causes a person to prosper.

Romans 12:14 Bless them which persecute you: bless, and curse not.

1 Peter 3:9 Not rendering evil for evil, or railing for railing: but contrariwise blessing; knowing that ye are thereunto called, that ye should inherit a blessing.

This is a bit different though and coincides with the Hebrew in genesis more then i would have ever thought before. Because the Hebrew reads in an individual centric way or what your do is how you will be treated by God. This needs to be balanced against the next verse.

Proverbs 3:33 The curse of the LORD is in the house of the wicked: but he blesseth the habitation of the just.

We are not to go against God.

Even the pharasees of the apostolic times knew this.

Acts 23:9 And there arose a great cry: and the scribes that were of the Pharisees’ part arose, and strove, saying, We find no evil in this man: but if a spirit or an angel hath spoken to him, let us not fight against God.

Acts 5:38 to 39 And now I say unto you, Refrain from these men, and let them alone: for if this counsel or this work be of men, it will come to nought: But if it be of God, ye cannot overthrow it; lest haply ye be found even to fight against God.

Proverbs 3:29 Devise not evil against thy neighbour, seeing he dwelleth securely by thee.

Proverbs 13:20 to 22 He that walketh with wise men shall be wise: but a companion of fools shall be destroyed. Evil pursueth sinners: but to the righteous good shall be repayed. A good man leaveth an inheritance to his children’s children: and the wealth of the sinner is laid up for the just.