'Zealous' in the Bible

And [when] they heard [this], they began to glorify God. And they said to him, "You see, brother, how many ten thousands there are among the Jews who have believed, and they are all zealous adherents of the law.

"I am a Jewish man born in Tarsus in Cilicia, but brought up in this city at the feet of Gamaliel, educated according to the exactness of the law received from our fathers, being zealous for God, just as all [of] you are today.

In this way also you, since you are zealous of spiritual [gifts], seek for the edification of the church, in order that you may abound.

and was progressing in Judaism beyond many contemporaries in my nation, [because] I was a far more zealous adherent of the traditions handed down by my forefathers.

who gave himself for us, in order that he might redeem us from all lawlessness and purify for himself a people for his own possession, zealous for good deeds.

And who [is] the one who will harm you if you are a zealous adherent for what is good?

Therefore, brothers, be zealous even more to make your calling and election secure, because [if you] do these [things], you will never ever stumble.

As many as I love, I reprove and discipline. Be zealous, therefore, and repent!