Contrition for sin does not mean one stops doing that sin either.
The meaning of "metanoia" is clear it is to turn away from one mindset towards another.
The context determines what one is turning from and towards.
This is not just biblical word it is found in secular Greek writings as well and the etymology and the meaning is clear.
Well, all I know is .....
Acts 3:26 Unto you first God, having raised up his Son Jesus, sent him to bless you, in turning away every one of you from his iniquities
Acts 3:19 Repent ye therefore, and be converted, that your sins may be blotted out, when the times of refreshing shall come from the presence of the Lord; 20And he shall send Jesus Christ, which before was preached unto you:
Acts 2:38 Then Peter said unto them, Repent, and be baptized every one of you in the name of Jesus Christ for the remission of sins, and ye shall receive the gift of the Holy Ghost
Acts 17:30 And the times of this ignorance God winked at; but now commandeth all men every where to repent: 31Because he hath appointed a day, in the which he will judge the world in righteousness by that man whom he hath ordained; whereof he hath given assurance unto all men, in that he hath raised him from the dead.
Acts 26:20 But shewed first unto them of Damascus, and at Jerusalem, and throughout all the coasts of Judaea, and then to the Gentiles, that they should repent and turn to God, and do works meet for repentance.
Acts 13:24 when John had first preached before his coming the baptism of repentance to all the people of Israel.
Acts 19:4
hen said Paul, John verily baptized with the baptism of repentance, saying unto the people, that they should believe on him which should come after him, that is, on Christ Jesus.
Acts 5:31 Him hath God exalted with his right hand to be a Prince and a Saviour, for to give repentance to Israel, and forgiveness of sins.
Acts 11:18 When they heard these things, they held their peace, and glorified God, saying, Then hath God also to the Gentiles granted repentance unto life.
Acts 20:21 Testifying both to the Jews, and also to the Greeks, repentance toward God, and faith toward our Lord Jesus Christ.
Acts 26:20 But shewed first unto them of Damascus, and at Jerusalem, and throughout all the coasts of Judaea, and then to the Gentiles, that they should repent and turn to God, and do works meet for repentance.
Acts 13:38 Be it known unto you therefore, men and brethren, that through this man is preached unto you the forgiveness of sins
Acts 10:34 To him give all the prophets witness, that through his name whosoever believeth in him shall receive remission of sins.
Acts 3:26 Unto you first God, having raised up his Son Jesus, sent him to bless you, in turning away every one of you from his iniquities
Acts 10:43 To him give all the prophets witness, that through his name whosoever believeth in him shall receive remission of sins.