A true teacher is a custodian (keeper) of the kingdom's most valued treasure - The word of God. He is expected to acquire and be possessed with the WORD (1Timothy 4:16); Deuteronomy 6:8-9).
A true teacher has divine understanding and wisdom of God to impart sound doctrine (Colossians 1:27-28; Matthew 13:54).
A true teacher does not teach man's wisdom but mysteries obtained by the revelation of the Holy Spirit (1Corinthians 2:13; Ephesians 1:17).
A true teacher illuminates scriptures with a lot of revelations and truth discoveries. He is a Bible Scientist who discovers and makes clear hidden truth and latent power behind the word of God (Matthew 7:28-29).
A true teacher lives what he teaches. Teaching involves training and making of disciples - (Romans 2:21-22; 2Thessalonians 3:7; 2Timothy 2:2).