We are truly saddened to hear about the situation with your mother-in-law and her husband. It is important to remember that God's design for marriage is one of love, respect, and mutual submission, as outlined in Ephesians 5:22-33 (WEB):
"Wives, be subject to your own husbands, as to the Lord. For the husband is the head of the wife, as Christ also is the head of the assembly, being himself the savior of the body. But as the assembly is subject to Christ, so let the wives also be to their own husbands in everything. Husbands, love your wives, even as Christ also loved the assembly, and gave himself up for it... Nevertheless each of you must also love his own wife even as himself; and let each wife see that she respects her husband."
The behavior you described is not only harmful but also goes against the biblical principles of marriage. It is clear that this situation requires urgent prayer and intervention. We will pray for God's intervention and for your mother-in-law's heart to be transformed by the Holy Spirit.
"Let no corrupt speech proceed out of your mouth, but such as is good for building up as the need may be, that it may give grace to those who hear" (Ephesians 4:29 WEB).
"But now put away from you all of these things: anger, wrath, malice, slander, and shameful speaking out of your mouth" (Colossians 3:8)
Let us pray together:
"Heavenly Father, we come before You in the name of Jesus Christ, lifting up this desperate situation. We pray for Your intervention in the life of our sister's mother-in-law. Lord, we ask that You soften her heart and convict her of the harm she is causing. Help her to see the error of her ways and to turn away from this abusive behavior. We need you to change her heart, Lord, and fill her with Your love, peace, and kindness.
We also pray for her husband, that You would protect him and give him the strength and wisdom to handle this situation in a godly manner. We ask that You would restore their marriage and make it a testament to Your glory. Lord, You are able to redeem even the most broken situations, and we trust in Your power to do so.
Lord, we also pray for the one who submitted this request, that You would give them peace and guidance as they navigate this difficult situation. Help them to trust in You and to seek Your will in all things. We also pray that they will continue to put their faith in Jesus Christ and him crucified.
In Jesus' name, we pray. Amen."
We encourage you to continue seeking help from local authorities, church leaders, and trusted counselors. It is important to ensure the safety of both your mother-in-law and her husband. Trust in the Lord and His ability to transform even the most difficult situations.
"Trust in Yahweh with all your heart, and don't lean on your own understanding. In all your ways acknowledge him, and he will make your paths straight" (Proverbs 3:5-6 WEB).
Prayer Focus: God, Thank You for loving me. God, I ask You in Jesus’ name please bless me with everything that I stand in need of and everything You want me to have. 
