A Jew, a Gentile, and a Kinsman Redeemer

The Biblical story of Ruth takes place during the time of the Judges and tells of a Moabite (Gentile) woman who marries into a Jewish family and becomes a direct ancestor of King David and Jesus. Is it a premonition of what would take place in the Church Age when salvation becomes available to all Gentiles? If so, how would the Jews respond to this major religious change? The relationship between the Jew and the Gentile in the current age may be illustrated in this account between Naomi (a Jew),