Paul Says He Is Of "The Stock Of Israel, Of The Tribe Of Benjamin, An Hebrew Of The Hebrews", Why Does He Also Call Himself A "Jew"G2453?

Paul Says He Is Of "The Stock Of Israel, Of The Tribe Of Benjamin, An Hebrew Of The Hebrews", Why Does He Also Call Himself A "Jew"/G2453? Philippians 3:5 Circumcised the eighth day, of “”the stock of Israel, of the tribe of Benjamin, an Hebrew of the Hebrews””; as touching the law, a Pharisee; Rom 11:1“I say then, Hath God cast away his people? God forbid. For I also am an Israelite, of the seed of Abraham, of the tribe of ""Benjamin"" Acts 21:39 But Paul said, I am a man which am a Jew/G2453 of Tarsus, a city in Cilicia, a citizen of no mean city: and, I beseech thee, suffer me to speak unto the people. 40And when he had given him licence, Paul stood on the stairs, and beckoned with the hand unto the people. And when there was made a great silence, **he spake unto them in the Hebrew tongue**, saying I am looking for a specific verse, you should know this..