1 Timothy 5:19

19Againstκατὰan elderπρεσβυτέρουan accusationκατηγορίανnotμὴdo receiveπαραδέχου,exceptἐκτὸςifεἰnotμὴuponἐπὶtwoδύοorἢthreeτριῶνwitnessesμαρτύρων·

Do not receive an accusation against an elder, except upon two or three witnesses.