1 Corinthians 5:9

9I wroteἜγραψαto youὑμῖνinἐνtheτῇletterἐπιστολῇnotμὴto associate withσυναναμίγνυσθαιthe sexually immoralπόρνοις,

I wrote to you⁺ in the letter not to associate with sexually immoral [people],