Verb kerdainō (to gain) in the Bible

(Translation from NRSV with a few modifications for a more literal meaning)

Matthew

16: 26For what will it profit them if they gain (kerdainō) the whole world but forfeit their life? Or what will they give in return for their life?
18: 15"If another member of the church sins against you, go and point out the fault when the two of you are alone. If the member listens to you, you have gained (kerdainō) your brother.
25: 16The one who had received the five talents went off at once and traded with them, and gained (kerdainō) five more talents.
25: 17In the same way, the one who had the two talents gained (kerdainō) two more talents.
25: 20Then the one who had received the five talents came forward, bringing five more talents, saying, 'Master, you handed over to me five talents; see, I have gained (kerdainō) five more talents.'
25: 22And the one with the two talents also came forward, saying, 'Master, you handed over to me two talents; see, I have gained (kerdainō) two more talents.'

Mark

8: 36For what will it profit them to gain (kerdainō) the whole world and forfeit their life?

Luke

9: 25What does it profit them if they gain (kerdainō) the whole world, but lose or forfeit themselves?

Acts

27: 21Since they had been without food for a long time, Paul then stood up among them and said, "Men, you should have listened to me and not have set sail from Crete and thereby gain (kerdainō) this damage and loss.

Philippians

3: 8More than that, I regard everything as loss because of the surpassing value of knowing Christ Jesus my Lord. For his sake I have suffered the loss of all things, and I regard them as rubbish, in order that I may gain (kerdainō) Christ

1 Corinthians

9: 19For though I am free with respect to all, I have made myself a slave to all, so that I might gain (kerdainō) more of them.
9: 20To the Jews I became as a Jew, in order to gain (kerdainō) Jews. To those under the law I became as one under the law (though I myself am not under the law) so that I might gain (kerdainō) those under the law.
9: 21To those outside the law I became as one outside the law (though I am not free from God's law but am under Christ's law) so that I might gain (kerdainō) those outside the law.
9: 22To the weak I became weak, so that I might gain (kerdainō) the weak. I have become all things to all people, that I might by all means save some.

James

4: 13Come now, you who say, "Today or tomorrow we will go to such and such a town and spend a year there, doing business and gaining (kerdainō) money."

1 Peter

3: 1Wives, in the same way, accept the authority of your husbands, so that, even if some of them do not obey the word, they may be gained (kerdainō) over without a word by their wives' conduct,