Is there any sin on a person if he sits with his paternal cousins, maternal cousins, or his brother’s wife?

Question:
If he sits with his paternal cousins, or maternal cousins, or his brother’s wife, and no one else is with them, may Allah reward you with good.

Answer:
A man sitting with women who are wearing hijab and are covered, without free mixing, is not a problem. However, a man sitting alone with a woman, with no third person present, who is not lawful for him or is not one of his mahram (relatives one may not marry), is strictly forbidden. The Messenger of Allah (peace and blessings be upon him) said, “Beware of entering upon women.” They said, “O Messenger of Allah, what about the husband’s uncle?” He said, “The uncle is death.” So the husband is even more severe in this regard, because the Messenger of Allah (peace and blessings be upon him) said: Therefore, seclusion with a woman who is not one of his mahram or is not lawful for him is not permissible.