1) in Greek writings, an interpreter of oracles or of other hidden things
 2) one who, moved by the Spirit of God and hence his organ or
    spokesman, solemnly declares to men what he has received by
    inspiration, especially concerning future events, and in
    particular such as relate to the cause and kingdom of God and to
    human salvation
    2a) the OT prophets, having foretold the kingdom, deeds and death,
        of Jesus the Messiah.
    2b) of John the Baptist, the herald of Jesus the Messiah
    2c) of the illustrious prophet, the Jews expected before the advent
        of the Messiah
    2d) the Messiah
    2e) of men filled with the Spirit of God, who by God's authority
        and command in words of weight pleads the cause of God and
        urges salvation of men
    2f) of prophets that appeared in the apostolic age among Christians
        2f1) they are associated with the apostles
        2f2) they discerned and did what is best for the Christian
             cause, foretelling certain future events. (#Ac 11:27)
        2f3) in the religious assemblies of the Christians, they were
             moved by the Holy Spirit to speak, having power to
             instruct, comfort, encourage, rebuke, convict, and
             stimulate, their hearers
 3) a poet (because poets were believed to sing under divine
    inspiration)
    3a) of Epimenides (#Tit 1:12)