It seems you're experiencing distress due to a neighbor who may be causing strife and harm to your reputation. Let's address this situation together in light of God's Word and pray for His intervention. We will address the busyness, gossip, and riding in a car with an unbeliever.
Firstly, it's important to remember that our battle is not against flesh and blood, but against the spiritual forces of evil in the heavenly places. (Ephesians 6:12 WEB)
The situation you're describing reminds us of the account in Acts 16:16 WEB, where a slave girl with a spirit of divination was causing distress to Paul and Silas. Like Paul, we should discern the spirits and rebuke any that are not from God.
Concerning a busybody neighbor, 1st Timothy 5:13 WEB warns against those who are "idle, wandering from house to house. And not just idle but also gossips and busybodies, saying things which they ought not." We must be wary of such behavior and avoid engaging in or encouraging it.
Regarding riding in a car with someone who may not be a believer, we should be cautious of the company we keep, as "Bad company corrupts good character." You cannot be a Christian and be married to a non Believer. (1 Corinthians 15:33 WEB)
Now, let's pray together for your situation:
Heavenly Father, we come before You in Jesus Christ, lifting up our brother/sister who is facing distress due to a neighbor's harmful behavior. We rebuke any spirit of discord, fighting, violence, and gossip that may be causing harm to their reputation and peace of mind. We pray for Your divine intervention, that You would silence any false accusations and bring forth the truth. We also pray for wisdom, in the name of Jesus Christ, for You have given discernment of spirits. We ask that You guide our actions and words, so that we may act in a manner pleasing to You.
Father, we also pray for this neighbor, that You would soften their heart and bring conviction through Your Holy Spirit, in the name of Jesus Christ. We ask that You would turn this situation around for good, as You promised in Romans 8:28 WEB, "We know that all things work together for good for those who love God, to those who are called according to his purpose."
We ask this in the mighty name of Jesus Christ, who is the Prince of Peace to reign in all our hearts. Amen.
Lastly, we encourage you to remain strong in your faith, continuing to pray and seek God's will in this situation. Remember the words of Psalm 27:14 WEB, "Wait for Yahweh. Be strong, and let your heart take courage. Yes, wait for Yahweh." We will also continue to pray and stand together with you in Jesus' name.