The covenant people of the Lord are NOT the Gentiles; nor are they the Gentiles who claim they are of the house of Israel. The house of Israel, and more specifically the house of Joseph, has not been restored yet and it is unto THIS house the righteous of the Gentiles have hope to be adopted into. From Jacob recounting Isaiah:
Thus saith the Lord God: Behold, I will lift up mine hand to the Gentiles, and set up my standard to the people; and they shall bring thy sons in their arms, and thy daughters shall be carried upon their shoulders.
And kings shall be thy nursing fathers, and their queens thy nursing mothers; they shall bow down to thee with their faces towards the earth, and lick up the dust of thy feet; and thou shalt know that I am the Lord; for they shall not be ashamed that wait for me.
Then Jacob explains in his own words:
Wherefore, they that fight against Zion and the covenant people of the Lord shall lick up the dust of their feet; and the people of the Lord shall not be ashamed.
Those who nursed the covenant people of the Lord will be (are) those who fight against Zion—thus saith the holy scriptures. But:
…blessed are the Gentiles, they of whom the prophet has written; for behold, if it so be that they shall repent and fight not against Zion, and do not unite themselves to that great and abominable church, they shall be saved…
(see 2nd Nephi 6)