You know, regarding hijab, sometimes even if you don't want to, they call the wife of the maternal uncle "khala."
The wife of the paternal uncle is called "amma," and so on. But they don't do it intentionally, they just see no problem if she uncovers in front of him, so she comes even if she doesn't want to.
Even if you don't want this, for example, you say this or that.
She must greet you without shaking hands, and her age may be less or more than forty years.
But for her to come in and greet you at the door and so on, without hijab, what do you think about that? Our view on this is that it is wrong.
It is wrong for a woman to uncover herself in front of men who are not her mahram.
And the wife of the uncle, and the wife of the brother.
She is not a mahram. As for the wife of the son or the father, she is a mahram.
Customs must be subject to the Sharia.
Customs must be purified by the Sharia.
What he should do is lower his gaze, advise her first and tell her that this is not allowed. If she responds, that is what is required, otherwise, there is no benefit.
He lowers his gaze. But if she is not one of the scorpions, then he does not go to her, he does not go to her at all.