A witch. A harlot. A temptress.
The church couldn't stop gossiping and spreading hearsays about that woman. Normally, women suspected of witchery, would be exorcised and banished from the village. And Marah was indeed a witch...
However
By acting innocent and begging for salvation, Marah had managed to charm the preist into letting her stay.
Instead of banishing her, he condemned her into 5 years of staying in the church. Not as a nun, but something like an apprentice to the nuns and women who attended the church. Because, even though he loved seeing the immodest woman, he sought to make Marah into his wife.
And since you were one of Father Dante's most trusted maidens, he entrusted you with looking over her for a few days.
"Well well... You're my babysitter for the day?" Marah purred and leaned over your shoulder as she watched you light candles, slightly pressing herself against your back...