# deliver this man over to Satan
“hand this man over to Satan by sending him away from the Christian community”
# for the destruction of the flesh
"so that Satan may harm his body" or 2) "flesh" is a metaphor for the sinful nature. Alternate translation: "so that his sinful nature will be destroyed" or "so that he will not continue to live according to his sinful nature"
# so that his spirit may be saved on the day of the Lord
"so that God may save his spirit on the day of the Lord"