Is it permissible to keep one's sister at home and deprive her husband of her in order to pressure him to work?

If the husband spends on his wife reasonably, she is not permitted to leave his house without his permission, unless there is a necessity, and obeying her husband is more rightful. However, if he does not spend on her reasonably, she has the right to seek divorce. If the wife agrees to stay with her husband despite his financial hardship, her guardians have no right to prevent her, and they should not interfere in her affairs except with good advice and counsel. In this situation, she is permitted to leave without her husband's permission to earn a living, and she is permitted to withhold his right to intimacy until he spends on her.