As indeed he says in Hosea, “Those who were not my people I will call ‘my people,’ and her who was not beloved I will call ‘beloved.’” “And in the very place where it was said to them, ‘You are not my people,’ there they will be called ‘sons of the living God.’”
Romans 9:25-26

Believers from the nations are added to Israel, not the other way around. Natural Israelites who trust in #yeshua are native branches. They're home. We are the guests, not them. We believing gentiles have transferred our allegiance to the Banner of Israel. There is no other "church".