This is the 18130th most frequent Russian word.
хранительницей
"Хранительницей" means "female guardian" or "female keeper."
Here, 'хранительницей' is used to denote a woman's role as someone entrusted with the responsibility to safeguard and preserve something valuable, specifically secrets.
Она стала хранительницей древних секретов своего рода.
She became the keeper of ancient secrets of her lineage.
In this context, 'хранительницей' refers to a woman professionally responsible for the care and management of a collection within an institution.
В этом музее хранительницей редкой коллекции является известный историк.
In this museum, the keeper of the rare collection is a well-known historian.
Here, 'хранительницей' metaphorically symbolizes a mother’s role in maintaining and imparting positive values and wisdom.