'Sister' in the Bible

But you who eat vegetables only -- why do you judge your brother or sister? And you who eat everything -- why do you despise your brother or sister? For we will all stand before the judgment seat of God.

Therefore we must not pass judgment on one another, but rather determine never to place an obstacle or a trap before a brother or sister.

For if your brother or sister is distressed because of what you eat, you are no longer walking in love. Do not destroy by your food someone for whom Christ died.

I commend unto you Phebe our sister, which is a servant of the church which is at Cenchrea:

Salute Philologus, and Julia, Nereus, and his sister, and Olympas, and all the saints which are with them.