Josh Thompson's song "Sinner" is a confession of his shortcomings as a Christian, acknowledging that he has broken some of the commandments and committed sins. Despite his flaws, he maintains his faith in Jesus and believes that he died to save souls like him. The chorus emphasizes that he is a sinner, but he always turns to God for forgiveness and begs for his mercy. The song portrays a struggle that many believers go through, trying to live up to the Christian ideals while facing temptations and weaknesses. Thompson encourages listeners to take responsibility for their actions and seek redemption in God's love and forgiveness. Overall, "Sinner" is a poignant reminder that nobody is perfect, and we need God's grace to overcome our sins and find peace in our souls.