In our little church group, we have 3 women who divorced and remarried. One of these women still lives with her 2nd husband.
We have never told a woman to leave her 2nd husband.
But we have told her to tell other people that according to the Bible she committed adultery when she divorced and remarried.
I Cor. 7:10-11 ... And unto the married I command, yet not I, but the Lord, Let not the wife depart from her husband: But and if she depart, let her remain unmarried, or be reconciled to her husband: and let not the husband put away his wife.
Mt. 5:32 ... Jesus says ... But I say unto you, That whosoever shall put away his wife, saving for the cause of fornication, causeth her to commit adultery: and whosoever shall marry her that is divorced committeth adultery.
Mk. 10:11-12 ... Jesus says ... And HE saith unto them, Whosoever shall put away his wife, and marry another, committeth adultery against her. And if a woman shall put away her husband, and be married to another, she committeth adultery.
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A woman wanted to tell me the "circumstances" of her mother's divorce.
God said to me by HIS Spirit: Just focus on the instructions given in the scriptures.