διδάσκαλος, -ου, ὁ (< διδάσκω), [in LXX: Refs Est.6:1, 2Ma.1:10 * ;] given as rendering of Heb. רַבִּי ,רַבּוֺן (NT, Ῥαββεί, Ῥαββουνεί which see); a teacher: Refs Jhn.1:39 20:16; of Jewish teachers, Refs Luk.2:46, Jhn.3:10, cf. Rom.2:20-21; of John Baptist, Luk.3:12; of Jesus, Refs Jhn.3:2, 10 8:4 11:28 13:13-14, and often in Syn., most freq. in voc., as title of address, as Refs Mat.8:19, Mrk.4:38; of Jesus by himself, Mat.23:8; of an apostle, Refs 1Ti.2:7, 2Ti.1:11; of Christians, Refs 1Co.12:28-29, Eph.4:11, Act.13:1, Jas.3:1; of false teachers, 2Ti.4:3 (Cremer, 181; DB, i, 609, iii, 294, iv, 691) SYN.: παιδευτής, q.v (AS)
Thayer:
1) a teacher 2) in the NT one who teaches concerning the things of God, and the duties of man 1a) one who is fitted to teach, or thinks himself so 1b) the teachers of the Jewish religion 1c) of those who by their great power as teachers draw crowds around them i.e. John the Baptist, Jesus 1d) by preeminence used of Jesus by himself, as one who showed men the way of salvation 1e) of the apostles, and of Paul 1f) of those who in the religious assemblies of the Christians, undertook the work of teaching, with the special assistance of the Holy Spirit 1g) of false teachers among Christians
διδάσκαλος
didaskalos
did-as'-kal-os
From G1321; an instructor (generally or specifically)
G1319 διδασκαλίαδιδασκαλία
didaskalia
did-as-kal-ee'-ah
From G1320; instruction (the function or the information)
KJV Usage: doctrine, learning, teaching.
G2085 ἑτεροδιδασκαλέωἑτεροδιδασκαλέω
heterodidaskaleō
het-er-od-id-as-kal-eh'-o
From G2087 and G1320; to instructdifferently
KJV Usage: teach other doctrine (-wise).
G2567 καλοδιδάσκαλοςκαλοδιδάσκαλος
kalodidaskalos
kal-od-id-as'-kal-os
From G2570 and G1320; a teacherof the right
KJV Usage: teacher of good things.
G3547 νομοδιδάσκαλοςνομοδιδάσκαλος
nomodidaskalos
nom-od-id-as'-kal-os
From G3551 and G1320; an expounderof the (Jewish) law, that is, a Rabbi
KJV Usage: doctor (teacher) of the law.
G5572 ψευδοδιδάσκαλοςψευδοδιδάσκαλος
pseudodidaskalos
psyoo-dod-id-as'-kal-os
From G5571 and G1320; a spuriousteacher, that is, propagator of erroneous Christian doctrine