Cast to Satan

The concept of being "cast to Satan" appears in the New Testament in a few contexts. One of the primary passages is found in 1 Corinthians 5:5

KJV ⁵ To deliver such an one unto Satan for the destruction of the flesh, that the spirit may be saved in the day of the Lord Jesus. CEV ⁵ You must then hand that man over to Satan. His body will be destroyed, but his spirit will be saved when the Lord Jesus returns.
, where Paul addresses the issue of church discipline. The verse reads:

"To deliver such a one unto Satan for the destruction of the flesh, that the spirit may be saved in the day of the Lord Jesus."

Here's a brief explanation of this passage:

Context and Meaning

Church Discipline: The Apostle Paul is addressing a case of immorality within the church at Corinth, specifically a man living in an incestuous relationship. Paul's harsh prescription is part of the church discipline process.
Deliver unto Satan: This phrase is understood to mean excluding the offending party from the fellowship of the church. By doing so, the individual is metaphorically handed over to the worldly domain outside of the church's protective spiritual community, often seen as the domain where Satan has influence.
Purpose of the Discipline: The goal stated by Paul is not merely punitive. The intention behind such a drastic measure is the ultimate redemption and salvation of the sinner's spirit. By experiencing the consequences of living outside the fellowship and protection of the church, the hope is that the person will repent and return to a righteous path, thereby being saved on the day of judgment.

Another reference can be found in 1 Timothy 1:20

KJV ²⁰ Of whom is Hymenaeus and Alexander; whom I have delivered unto Satan, that they may learn not to blaspheme. CEV ²⁰ Two of them are Hymenaeus and Alexander. I have given these men over to the power of Satan, so they will learn not to oppose God.
, where Paul mentions Hymenaeus and Alexander, whom he has handed over to Satan so they may learn not to blaspheme. This also reflects a disciplinary measure intended for correction rather than destruction.

Theological Implications

Spiritual Warfare: These passages underscore the New Testament's theme of spiritual warfare, where the church is seen as a bastion of Christ's kingdom, in conflict with Satan's domain of the world.
Redemptive Discipline: The use of such severe discipline highlights the early church's commitment to purity and holiness, but always with the restoration of the sinner in mind.

In these contexts, being "cast to Satan" serves as a serious but ultimately redemptive measure intended to bring about repentance and spiritual growth, reinforcing the boundaries between the church's sanctified environment and the outside world influenced by sin and Satan.