Penitent

1. Doing penance.
2. Feeling pain or sorrow on account of sins or offenses; repentant; contrite; sincerely affected by a sense of guilt, and resolved on amendment of life.
3. One under church censure, but admitted to penance; one undergoing penance.
4. One under the direction of a confessor.
5. One who repents of sin; one sorrowful on account of his transgressions.