what else would a prophets job be to do?
1) The prophet is to speak the word of the Lord. ( Reference: Jeremiah 1:5-7, Ezekiel 33:9 )
2) The prophet is to speak first and foremost to God's people, Israel, the church etc. ( Reference: Ezekiel 33:2, Romans 1:16 )
3) They speak the coming Judgment ( References: Ezekiel:22:19-22, Zechariah 14:12)
4) They speak of salvation, a way to escape Judgment. ( References: Jeremiah 4:14, Ezekiel 33:11-20 John 14:6 )
5) To rebuke of correct false teachers, and false teachings. (Reference: Ezekiel 13:2)
6) To comfort, confirm and exhort those who are being obedient to God/Christ (Reference: Revelation 2:24-29)
The prophet's message is summed up in Isaiah 61:2.