Answer. The term Jew is used in at least two senses in Scripture: to refer to those who are ethnically Jews and to those who are religiously Jews. Jesus was a Jew in both senses. In fact, he completed the Jewish religion by serving as the Messiah (Christ) whom the prophets had long foretold.nswer. The term Jew is used in at least two senses in Scripture: to refer to those who are ethnically Jews and to those who are religiously Jews. Jesus was a Jew in both senses. In fact, he completed the Jewish religion by serving as the Messiah (Christ) whom the prophets had long foretold.