chasten(-ise), instruct, learn, teach

“Chastening” From Concise Bible Dictionary:

This is in scripture mostly linked with love and sonship, and implies “instruction” and “discipline.” He that loveth chasteneth (Prov. 13:2424He that spareth his rod hateth his son: but he that loveth him chasteneth him betimes. (Proverbs 13:24); Deut. 8:55Thou shalt also consider in thine heart, that, as a man chasteneth his son, so the Lord thy God chasteneth thee. (Deuteronomy 8:5); Heb. 12:5-115And ye have forgotten the exhortation which speaketh unto you as unto children, My son, despise not thou the chastening of the Lord, nor faint when thou art rebuked of him: 6For whom the Lord loveth he chasteneth, and scourgeth every son whom he receiveth. 7If ye endure chastening, God dealeth with you as with sons; for what son is he whom the father chasteneth not? 8But if ye be without chastisement, whereof all are partakers, then are ye bastards, and not sons. 9Furthermore we have had fathers of our flesh which corrected us, and we gave them reverence: shall we not much rather be in subjection unto the Father of spirits, and live? 10For they verily for a few days chastened us after their own pleasure; but he for our profit, that we might be partakers of his holiness. 11Now no chastening for the present seemeth to be joyous, but grievous: nevertheless afterward it yieldeth the peaceable fruit of righteousness unto them which are exercised thereby. (Hebrews 12:5‑11); Rev. 3:1919As many as I love, I rebuke and chasten: be zealous therefore, and repent. (Revelation 3:19)). “Blessed is the man whom thou chastenest” (Psa. 94:1212Blessed is the man whom thou chastenest, O Lord, and teachest him out of thy law; (Psalm 94:12)). The chastening at the time does not seem to be joyous but grievous, yet afterward it yields the peaceable fruits of righteousness to those exercised thereby (Heb. 12:1111Now no chastening for the present seemeth to be joyous, but grievous: nevertheless afterward it yieldeth the peaceable fruit of righteousness unto them which are exercised thereby. (Hebrews 12:11)). John 15:22Every branch in me that beareth not fruit he taketh away: and every branch that beareth fruit, he purgeth it, that it may bring forth more fruit. (John 15:2) shows that a Christian may be chastened of the Father that he may bring forth more fruit.

“Teacher, Teaching” From Concise Bible Dictionary:

The “teacher” is one of the gifts set in the church (1 Cor. 12:2828And God hath set some in the church, first apostles, secondarily prophets, thirdly teachers, after that miracles, then gifts of healings, helps, governments, diversities of tongues. (1 Corinthians 12:28); Eph. 4:1111And he gave some, apostles; and some, prophets; and some, evangelists; and some, pastors and teachers; (Ephesians 4:11)); and the teacher is exhorted to be occupied with teaching (Rom. 12:77Or ministry, let us wait on our ministering: or he that teacheth, on teaching; (Romans 12:7)). “Teaching” is the intelligent setting forth of the truth by the Holy Spirit, and this does not leave room for the mind and opinion of man. Paul left Timothy at Ephesus to charge some not to teach other doctrine than what the apostles taught; and those that did teach otherwise are said to be “puffed up, knowing nothing” (1 Tim. 1:33As I besought thee to abide still at Ephesus, when I went into Macedonia, that thou mightest charge some that they teach no other doctrine, (1 Timothy 1:3); 1 Tim. 6:3-43If any man teach otherwise, and consent not to wholesome words, even the words of our Lord Jesus Christ, and to the doctrine which is according to godliness; 4He is proud, knowing nothing, but doting about questions and strifes of words, whereof cometh envy, strife, railings, evil surmisings, (1 Timothy 6:3‑4)). This makes evident that no other teaching could be of God; hence the modern formula of “agreeing to differ” on vital points of doctrine is not recognized. On the contrary, the apostle said, “I beseech you, brethren, by the name of our Lord Jesus Christ, that ye all speak the same thing, and that there be no divisions among you; but that ye be perfectly joined together in the same mind and in the same judgment” (1 Cor. 1:1010Now I beseech you, brethren, by the name of our Lord Jesus Christ, that ye all speak the same thing, and that there be no divisions among you; but that ye be perfectly joined together in the same mind and in the same judgment. (1 Corinthians 1:10)).
A caution is given in James 3:11My brethren, be not many masters, knowing that we shall receive the greater condemnation. (James 3:1), “Be not many teachers,” for it involved greater responsibility. The same word (διδάσκαλος) occurs in John 13:1313Ye call me Master and Lord: and ye say well; for so I am. (John 13:13), where the Lord owned Himself to be the Teacher, and He was many times addressed as “Teacher”; though in nearly all cases the AV has “Master.” He taught as one having authority, and not as the scribes.

Strong’s Dictionary of Greek Words:

Number:
3811 (find all occurrences in KJV Bible)
Greek:
παιδεύω
Transliteration:
paideuo
Phonic:
pahee-dyoo’-o
Meaning:
from 3816; to train up a child, i.e. educate, or (by implication), discipline (by punishment)
KJV Usage:
chasten(-ise), instruct, learn, teach