2 Thessalonians 3:14

14IfΕἰthenδέanyoneτιςnotοὐχobeyὑπακούειthisτῷinstructionλόγῳof usἡμῶνthroughδιὰtheτῆςletterἐπιστολῆς,of this [man]τοῦτονtake noteσημειοῦσθε,notμὴto mix withσυναναμίγνυσθαιhimαὐτῷ,so thatἵναhe may be ashamedἐντραπῇ·

And if anyone does not obey our word through the letter, take note of this one not to mix with him, so that he may be ashamed.