1) Absolution seeker 2) Backslider, biblically 3) Backsliding one 4) Born again candidate 5) Commandment breaker 6) Commandment-breaker 7) Confession maker 8) Confessional user 9) Criminal said to be poor 10) Decalogue defier 11) Decalogue disobeyer 12) Doer of penance 13) Each human, some say 14) Everyone, to some believers 1) Badman 2) Criminal 3) Debtor 4) Evildoer 5) Magdalen 
[the movie] Said Tayeb Jawad, May 24, 2005. ...
• (n.) One who has sinned; especially, one who has sinned without repenting; hence, a persistent and incorrigible transgressor; one condemned by the law of God. • (v. i.) To act as a sinner.
Sin'ner intransitive verb To act as a sinner. [ Humorous] « Whether the charmer sinner it or saint it.» Pope. Sin'ner noun One who has sinned; especially, one who has sinned without repenting; hence, a persistent and incorrigible transgressor; one condemned by the law of God. 
[n] - a person who sins (without repenting)
evildoer noun a person who sins (without repenting)