Acts 5:21

Israel : a citizen of Israel.,a member of the nation of Israel

Acts 15:7

Gentile : a non-Jewish person
(31° 46´, 35° 14´); (31° 46´, 35° 14´)

Peter : a man who was a leader among the twelve apostles and wrote the two epistles of Peter

Acts 28:17

Jerusalem : the capital city of Israel,a town; the capital of Israel near the southern border of Benjamin
(31° 46´, 35° 14´); (31° 46´, 35° 14´); (31° 46´, 35° 14´); (31° 46´, 35° 14´); (31° 46´, 35° 14´); (31° 46´, 35° 14´)

Jews : the people descended from Israel
(31° 46´, 35° 14´); (31° 46´, 35° 14´)

Roman : any person or thing associated with Rome, particularly a person who was a citizen of Rome.
(41° 54´, 12° 29´)