Are the Jews, Muslim, Christians and Roman Catholic technically worshiping the same God?

The Jews worship the Almighty God like the Christians, are they saved?


Since the Jews observed the 10 commandments and all the Laws in the old testament, are they saved?


Since the Muslim and the Jews also worship the God of Abraham, are they saved?


Do the Jews believe in the Holy Spirit since they don't believe in Trinity?
The Jews believe that the Holy Spirit is the inspiration of God, it is also God's messenger. But never believe that the Holy Spirit is God as the Jews don't believe in Trinity.


Islamic view of the Christian Bible

Does the Qur'an teach Muslims to believe in the Torah, the Psalms and the Gospel?

The 12 Tribes of Ishmael

If Abraham is justified by having faith in God, then all the following will also justified by having faith in God.

No one is anti-God because everyone believes in a God, there only such thing as anti-Christ (doesn't believe that Jesus is God)

Islam
1. Believe in Monotheism
2. Jesus is a prophet
3. Believe in the books of Moses and the Law of God
4. Worship the God of Abraham, Ishmael and Isaac
5. Having faith in God
6. The Arab world is from the lineage of Ishmael

Jews
1. Believe in Monotheism
2. Jesus is a prophet claim to be God
3. Believe in the books of Moses and the Law of God
4. Worship the God of Abraham, Isaac and Jacob
5. Having faith in God

Christian
1. Believe in Trinity (God, God the Son, and God the Holy Spirit are God in One)
2. Jesus is God
3. Believe in the books of Moses and the Law of God and the New Testament (The Gospel)
4. Worship the God of Abraham, Isaac and Jacob
5. Having faith in God and having faith in Jesus, believing that Jesus is God

Catholic
1. Believe in Trinity (God, God the Son, and God the Holy Spirit are God in One)
2. Jesus is God
3. Believe in the books of Moses and the Law of God and the New Testament (The Gospel)
4. Worship the God of Abraham, Isaac and Jacob
5. Having faith in God and having faith in Jesus, believing that Jesus is God


Family Tree from Noah to Jacob

Are the Arabs from Ishmael lineage?