'Allegiance' in the Bible
Of the Benjamites, the kindred of [King] Saul, 3,000 -- "hitherto the majority of them had kept their allegiance [to Saul] and the charge of the house of Saul;
All the leaders and mighty men, and also all the sons of King David, pledged allegiance to King Solomon.
How long, O Lord? Will You be angry forever? Shall Your jealousy [which cannot endure a divided allegiance] burn like fire?
My son, [reverently] fear the Lord and the king, and do not associate with those who are given to change [of allegiance, and are revolutionary],
In that day there will be five cities in the land of Egypt that speak the language of [the Hebrews of] Canaan and swear allegiance to the Lord of hosts. One of them will be called the City of the Sun or Destruction.
I have sworn by Myself, the word is gone out of My mouth in righteousness and shall not return, that unto Me every knee shall bow, every tongue shall swear [allegiance].
Hear this, O house of Jacob, who are called by the name of Israel and who come forth from the seed of Judah, you who swear allegiance by the name of the Lord and make mention of the God of Israel -- "but not in truth and sincerity, nor in righteousness (rightness and moral and spiritual rectitude in every area and relation) -- "
And it shall seem like a lying divination to them who have sworn oaths [of allegiance to Nebuchadnezzar]. [Will he now fight against their homeland?] But he will remind them of their guilt and iniquity [in violating those oaths], that they may be caught.
I am surprised and astonished that you are so quickly turning renegade and deserting Him Who invited and called you by the grace (unmerited favor) of Christ (the Messiah) [and that you are transferring your allegiance] to a different [even an opposition] gospel.
Those who want to make a good impression and a fine show in the flesh would try to compel you to receive circumcision, simply so that they may escape being persecuted for allegiance to the cross of Christ (the Messiah, the Anointed One).
If they then deviate from the faith and turn away from their allegiance -- "[it is impossible] to bring them back to repentance, for (because, while, as long as) they nail upon the cross the Son of God afresh [as far as they are concerned] and are holding [Him] up to contempt and shame and public disgrace.