Definition: Polygyny: The condition or practice of having more than one wife at one time.
This is a much needed admonition to the muslimaat upon the sunnah, and may Allaah grant both men and women the akhlaaq (manners) to deal with such situations.
Shaykh Al-Albaanee (rahimahullaah) says:
“Of course, I believe that that is not allowed for (the woman) (to come between her husband and polygyny) because of two reasons:
The first (reason) is that she is hindering (her husband) from the path of Allaah.
And the other (reason) is that she is opposing the command of her husband.
Because you know…that the obedience of a woman to her husband is obligatory the way the matter is with regard to the obedience of an individual from the individual members of a nation toward the Muslim ruler, with an obedience which I don’t say is blind but rather a complete obedience, except what is made an exception in the islamic legislation, which is (obeying someone) in disobedience to Allaah.
And from this results Islamically legislated rulings which (state) that if the Muslim ruler commands that which is fundamentally allowed, this command becomes obligatory for the one who is commanded with it to carry it out, because it is the command of the ruler. Exactly likewise is the command with respect to the husband with his wife.
So, if the husband commands his wife with some command while that command is allowed in the foundation of the islamic legislation and while the woman is able to carry it out, then it is obligatory upon her to obey him. And if she does not obey him, then she has disobeyed Allaah and His Messenger [sallAllaahu ‘alayhi wa sallam].