Webster’s Revised Unabridged Dictionary · 1913
Transgressor
Trans·gress′or (·ẽr), n. [L.: cf. F. transgresseur.] One who transgresses; one who breaks a law, or violates a command; one who violates any known rule or principle of rectitude; a sinner.
The way of transgressors is hard. Prov. xiii. 15.