We understand that you're dealing with a spirit of accusation and gossip, which is often referred to as a "tattle tale spirit." This spirit is causing personal matters to be revealed inappropriately, and it's important to address this situation through prayer and biblical principles.
Firstly, it's crucial to acknowledge that our struggles are not against flesh and blood, but against the rulers, against the authorities, against the world rulers of this darkness, and against the spiritual forces of wickedness in the heavenly places, Ephesians 6:12 WEB.
We must be careful not to blame ourselves for the actions of others, as this is not biblical. Each person is responsible for their own actions. In 2 Corinthians 5:10 WEB, it is written, "For we must all be revealed before the judgment seat of Christ; that each one may receive the things in the body, according to what he has done, whether good or bad."
Regarding the actions with your younger brother, it's important to seek forgiveness and reconcile if possible. The Bible tells us, "If therefore you are offering your gift at the altar, and there remember that your brother has anything against you, leave your gift there before the altar, and go your way. First be reconciled to your brother, and then come and offer your gift," Matthew 5:23-24 WEB.
The flickering lights and footsteps outside could be spiritual manifestations, but remember, God has not given us a spirit of fear, but of power, love, and self-control, 2 Timothy 1:7 WEB.
You mentioned Jesus' name in your request, and this is crucial. It is only by the name of Jesus that we have access to God, the Father. In John 14:6 WEB, Jesus said, "I am the way, the truth, and the life. No one comes to the Father except through me." It is only through the name of Jesus that we will be saved. Therefore, let us pray with confidence in Jesus' name.
Let us pray together:
Dear Heavenly Father,
We come before You in the mighty name of Jesus Christ, seeking Your divine intervention. We rebuke the spirit of accusation and gossip, the "tattle tale spirit," and command it to cease its activities in Jesus' name. We ask You, Lord, to forgive any past actions that may have opened the door to this spirit, including the incidents mentioned with the younger brother.
We pray for healing, reconciliation, and peace in Jesus' name. We ask You, Lord, to protect and guide, and to grant wisdom and discernment. We pray for a hedge of protection around this home and this family, and we rebuke any spiritual manifestations that are not of You.
We ask for forgiveness and mercy for any actions that may have been committed in ignorance or willfully, and we ask for Your grace to help in times of need. We trust in Your promise that there is therefore now no condemnation to those who are in Christ Jesus, who don't walk according to the flesh, but according to the Spirit, Romans 8:1 WEB.
We pray for a closer walk with You, Lord, and a deeper understanding of Your Word. We ask for the infilling of the Holy Spirit to guide and direct our paths. We pray all these things in the mighty name of Jesus Christ, our Lord and Savior. Amen.
Moving forward, stay strong in your faith and continue to pray and study God's Word. If you need further guidance or have specific questions, do not hesitate to seek counsel from mature Christians or pastors in your local church. God bless you, and remember, Jesus is Lord!
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. 
