A woman who is perceived by a radical feminist as supporting "the patriarchy" by her actions or opinions, regardless of the woman's actual position.
Often used as a 'get out of jail free card', labeling a woman as a handmaiden allows her position to be dismissed without further critical analysis or counteracting any arguments.
I consistently dislike what she writes as it is inevitably pro-patriarchal handmaideny nincompoopery.
I'm going to suggest she's been drinking the Handmaiden Communion Wine.
All it is to be a handmaiden is to carry out the whims of the patriarchy.