1 Corinthians 5:4-5

4So when you are assembled and I am with you in spirit, and the power of our Lord Jesus is present,

5hand this man over to Satan for the destruction of the flesh, In contexts like this, the Greek word for flesh (sarx) refers to the sinful state of human beings, often presented as a power in opposition to the Spirit. Or of his body so that his spirit may be saved on the day of the Lord.