We are truly sorry to hear about the struggles your family is facing, and we are here to stand with you in prayer and support. First, we want to address the issue of mental health, which is a real and serious concern. We are called to bear one another's burdens (Galatians 6:2 WEB), and that includes supporting those who are struggling with mental health issues.
The behavior you described is not only harmful but also sinful, as it does not display the love, kindness, and self-control that God calls us to exhibit (Galatians 5:22-23 WEB). We must rebuke this behavior in love, praying for a change of heart and for the aggression to cease. It is important to set boundaries, and seek help from family counseling, a pastor, or a mental health professional to prevent further harm to your family.
Let's pray together:
Dear Heavenly Father,
We come before You in the name of Jesus Christ, lifting up this family in urgent need of Your intervention. Lord, You are the Prince of Peace, and we ask that You enter this man's heart and quiet the rage within him. Silence the screams and heal the wounds that are causing such pain and turmoil. Protect their mother and the entire family, surrounding their home with Your angels and providing a shield of safety.
Lord, we know that You are the Great Physician, and no illness, whether of the body or the mind, is beyond Your healing touch. Guide this family to the right help, to professionals who can provide the support and treatment that is needed. Bring clarity and discernment, Lord, as they navigate this difficult journey.
Strengthen their faith and fill them with Your Holy Spirit, enabling them to endure this trial with grace and resilience. In Jesus' name, we rebuke the spirits of anger, violence, and fear that have taken hold, and we claim victory over this situation through the power of Christ's blood.
Father, we also pray for the salvation of this man, that he may come to know Jesus Christ as his personal Lord and Savior. Change his heart, Lord, and transform his life for Your glory.
In Jesus' name, we pray. Amen.
Remember, God is faithful, and He will not let you be tempted beyond what you can bear (1 Corinthians 10:13 WEB). Trust in Him, and He will see you through this storm. Keep your eyes fixed on Jesus, the author and perfecter of our faith (Hebrews 12:2 WEB), and know that He is always with you. We will be praying for you.
If the situation escalates or becomes life-threatening, do not hesitate to contact local authorities or a mental health crisis line. God uses professionals and earthly authorities to keep us safe and to administer help and healing.
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. 
