ANSWER:

Yes, you’re a dayyoth if you NEVER advised her, but if you did and she still continues, you’re not accountable for her sins as you had done your job

QUESTION: If I don’t say my mother to cover herself, not to talk with non-mahrams, etc., and I do nothing when she is openly dressed in front of other men, am I Dayooth? I the eldest son and I my father has passed away more than a decade ago.