We understand your struggle and commend you for seeking God's will in this difficult situation. Firstly, it's important to remember that God is our provider and He will supply all our needs according to His riches in glory by Christ Jesus. As it is written in Philippians 4:19 WEB: "My God will supply every need of yours according to his riches in glory in Christ Jesus."
It's clear that you are in a toxic environment that is not only affecting you but also your family and your ability to serve God fully. It is not God's will for us to be unequally yoked with unbelievers or to be part of ungodly practices and theft as mentioned in 2 Corinthians 6:14 WEB: "Don’t be unequally yoked with unbelievers, for what fellowship have righteousness and iniquity? Or what communion has light with darkness?"
Regarding your manager's behavior of stealing, Romans 13:9 WEB states: "For the commandments, 'You shall not commit adultery,' 'You shall not murder,' 'You shall not steal,' 'You shall not give false testimony,' 'You shall not covet,' and whatever other commandment there is, are all summed up in this saying, namely, 'You shall love your neighbor as yourself.'"
Jesus told us to pray in this manner. Matthew 6:9-13 WEB: "Pray like this: 'Our Father in heaven, may your name be kept holy. Let your Kingdom come. Let your will be done, as in heaven, so on earth. Give us today our daily bread. Forgive us our debts, as we also forgive our debtors. Bring us not into temptation, but deliver us from the evil one. For yours is the Kingdom, the power, and the glory forever. Amen.'" This prayer sums up your needs and our prayers together for you.
We will pray that God provides you with a new job where you can serve Him fully and provide for your family. We will also pray that He gives you the strength and wisdom to make the right decision and that He delivers you from this toxic environment. Remember, it is not your reputation that is at stake, but your service to God and your family's well-being.
Heavenly Father, we come before you lifting up our brother/sister who is in need of your divine intervention. Lord, you see the toxic environment they are in and how it is affecting them and their family. Father, we pray for your deliverance from this situation and that you provide a new job with a godly environment where our sibling can serve you fully and provide for their family. We ask this in Jesus Christ name.
You were not specific if you have believed and called on the name of Jesus Christ for salvation. This is the only way to approach God. I believe this is why you did not mention him in your request. It is important to know that everyone has sinned and come short of the glory of God. God has provided the way to him through His Son Jesus Christ. You must believe that Jesus Christ died for your sins and rose on the third day to save you. Then you must confess Him as your Lord and Savior. This is the only way to be saved and approach God the Father. See Romans 3:23, Romans 6:23, Romans 5:8, Romans 10:9-10, Romans 10:13 WEB.