If a Muslim man has 4 wives and a few female slaves, can he have sexual intercourse with all of them?

MuslimsManWives of Prophet Muhammad
If a Muslim man has 4 wives and a few female slaves, can he have sexual intercourse with all of them?

Is it haram to prostrate on a turbah that has become dark in colour?

TurbahProstration (sujud)
Is it haram to prostrate on a turbah that has become dark in colour?

In what ways does the performance of prayers demonstrate unity among Muslims?

Salah (Prayers)MuslimsIslamic Unity
In what ways does the performance of prayers demonstrate unity among Muslims?

What does the term الصِّدِّيقُونَ mean, and who does it refer to in the Qur'an?

Qur'an
What does the term الصِّدِّيقُونَ mean, and who does it refer to in the Qur'an?

How should a person do repentance (tauba)?

Repentance (Tawbah)
How should a person do repentance (tauba)?

I would like to understand the meaning of real Tauba. And also how one should do real tauba? What about the one who got hurt by someone? How should I please someone by tauba?

If my mother goes to my brother’s house in the other state and stays there for less than 3 days, does she have to perform full or shortened (qasr) prayers?

Salah (Prayers)Qasr (Shortened Prayers)
If my mother goes to my brother’s house in the other state and stays there for less than 3 days, does she have to perform full or shortened (qasr) prayers?

If a Muslim woman is

If a Muslim woman is in need of marriage and has found a person religiously suitable for her, and there is no other man to propose her while her father/wali unreasonably doesn't consent to the marriage, she can refer the case to an Islamic authority and marry without her father/wali's consent. Some scholars hold the opinion that a "legally mature woman" (rashidah) is not in need of her father/wali's consent although such view is not agreed upon.

With prayers for your success.

It is not permissibl

It is not permissible for a man to only have beard in his chin as it implies "shaving"  which is considered haram. As far as the trimming, the Muslim person should be considered as  "having beard" according to common view.

With prayers for your success.

Many answers can be

Many answers can be found in the book Kitab al-Mu'min by al-Husayn b. Sa'id al-Kufi al-Ahwazi, published Ansariyan. I think you find it also on this website.

Until around the tim

Until around the time of Imam al-Sadiq (as), the term 'Sufi' was not in regular use, and the few that used it as an appellation were of the Mu'tazili and Imami schools, not the Sunni Ash'ari or Maturidi schools, which now dominate the Sufi scene.

Sufism is an amalgamation of Islamic ideas and practices and others that have been integrated into it from spiritual traditions that existed prior to Islam expanding into wider territories.