Jesus was our obedience substitute during his life, our punishment substitute in his death, and our rebirth substitute in his resurrection. When we become united with Jesus, his life of obedience, his painful death, and his resurrection into glorious power are all credited to us. When someone becomes a Christian, a spiritually dead person is united with a life-giving one. His resurrection produces a resurrection in us. We are connected to the same power that raised Christ from the dead.
The relationship between Gentiles and Jews thrived in the early Church and they viewed one another as brothers and sisters. Gentiles adopted Jewish traditions as Sabbath rest, Biblical feasts, Holy Days, et al. As Christianity spread and more Gentiles were converted, the Church began to estrange it