'Zealous' in the Bible

And they, when they had heard his statement, gave the glory to God. Then they said, "You see, brother, how many tens of thousands of Jews there are among those who have accepted the faith, and they are all zealous upholders of the Law.

"I am a Jew, born at Tarsus in Cilicia, but brought up in this city. I was carefully trained at the feet of Gamaliel in the Law of our forefathers, and, like all of you to-day, was zealous for God.