βασανιστής

βασανιστής — basanistḗs

βασανιστής, βασανιστου, ὁ (βασανίζω), one who elicits the truth by the use of the rack, an inquisitor, torturer, ((Antiphon, others); Demosthenes, p. 978, 11; Philo in Flacc. § 11 end; (de concupisc. § 1; quod omn. prob. book 16; Plutarch, an vitios. ad infel. suff. § 2)); used in Mat 18:34 of a jailer (δεσμοφύλαξ Act 16:23), doubtless because the business of torturing was also assigned to him.