'In Christ' in the Bible

[even] though I had previously spoken against Christ, and persecuted [Christians] and acted outrageously. However, I obtained mercy because I acted out of ignorance, not believing [in Christ].

And the grace of our Lord was exceeding abundant with faith and love which is in Christ Jesus.

Whereunto I am ordained a preacher, and an apostle, (I speak the truth in Christ, and lie not;) a teacher of the Gentiles in faith and verity.

For they that have used the office of a deacon well purchase to themselves a good degree, and great boldness in the faith which is in Christ Jesus.

For that reason we work hard and struggle, because we have our hope set on the living God, who is the Savior of all people, [and] especially of those who believe [in Christ].

Do not allow anyone to look down on you because you are [so] young, but you should be an example to those who believe [in Christ] in your speech, in your conduct, in your love, in your faith [and] in your purity.

Those who have believing masters are not to be disrespectful toward them because they are brothers [in Christ], but they should serve them even better, because those who benefit from their kindly service are believers and beloved. Teach and urge these [duties and principles].