en_tn/1co/05/05.md

deliver this man over to Satan

This means make the man leave the Christian community so that he will no longer be protected from Satan. Alternate translation: “hand this man over to Satan by sending him away from the Christian community” (See: rc://en/ta/man/jit/figs-explicit)

for the destruction of the flesh

Possible meanings are 1) "flesh" refers to his physical body. Alternate translation: "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" (See: rc://en/ta/man/jit/figs-metaphor)

so that his spirit may be saved on the day of the Lord

This can be stated in active form. Alternate translation: "so that God may save his spirit on the day of the Lord" (See: rc://en/ta/man/jit/figs-activepassive)