G1988
ἐπιστάτης
master
ἐπιστάτης, -ου, ό (ἐφίστημι), [in LXX: 4Ki.25:19, Jer.29:26 52:25 (פָּקִיד), 2Ch.31:12 (נָגִיד), 2Ma.5:22, etc. ;] a chief, commander, master: Luk.5:5 8:24, 45 9:33, 49 17:13 (cf. Dalman, Words, 336 ff.).† (AS)
The KJV translates G1988 in the following manner:
Master (12x), master (2x)
Full Thayer's lexicon entry
ἐπιστάτης — epistátēs
ἐπιστάτης, ἐπιστατου, ὁ (ἐφίστημι), any sort of a superintendent or overseer (often so in secular writings, and several times in the Sept., as Exo 1:11; Exo 5:14; 1Ki 5:16; 2Ki 25:19; Jer 36:26; 2Ch 2:2; 2Ch 31:12); a master, used in this sense for רַבִּי by the disciples (cf. Luk 17:13) when addressing Jesus, who called him thus not from the fact that he was a teacher, but because of his authority (Bretschneider); found only in Luk 5:5; Luk 8:24; Luk 8:45; Luk 9:33; Luk 9:49; Luk 17:13.
6 occurrences