We understand the pain and frustration you're feeling due to your son's actions. Let's first bring this situation to God in prayer.
"Dear Heavenly Father, we come before You in Jesus' name, lifting up this family. Lord, You know the struggle they are facing with their son. We pray for wisdom and discernment for this mother, and for her husband. We ask that You guide their steps and help them make decisions that will honor You. We also pray for their son, that his heart may be changed and that he may seek Your will for his life. In Jesus' name, we pray. Amen."
In dealing with this situation, we should remember the wisdom from Proverbs 22:6 (WEB), "Train up a child in the way he should go, and when he is old he will not depart from it." Although your son has made mistakes, it's not too late to guide him in the right path. It's crucial to address his actions with love, firmness, and biblical principles.
As for telling the trailer park manager, we should consider the wisdom from Matthew 18:15-17 (WEB), which teaches us how to handle disputes within the family of believers. It's essential to approach your son privately first, expressing your concerns and the importance of honesty and integrity. If he does not listen, then you may need to involve others, possibly including the manager. However, this should be done with the intent of restoration and correction, not merely punishment.
We must also remember the commandment in Exodus 20:15 (WEB), "You shall not steal." Stealing is a serious offense against God and others. It's important to address this sin in your son's life and help him understand the gravity of his actions.
Lastly, we encourage you to continue praying for your son and your family. Trust in the Lord's promise in Jeremiah 29:11 (WEB), "‘For I know the plans that I have for you,’ says Yahweh, ‘plans for peace, and not for evil, to give you hope and a future.'" God has a plan for your family, and He can turn this situation around for good.
If you haven't already, we encourage you to surrender this situation to Jesus Christ, as it is only through His name that we have access to God and His saving power (John 14:6). If you have any doubts about this, we would be glad to explain more about the salvation message and the importance of believing in Jesus Christ.