
If you have questions about the conjugation of прислужница or Russian nouns in general, you can practice and get feedback from a professional tutor.
Знайте, ложь - прислужница дьявола.
You see, lies are the devil's handmaidens.
Вы госпожу увидели, а я - прислужницу.
You saw the mistress, I beheld the maid.