Is "Al-Ahad" a name that only belongs to Allah the Almighty? And what is the ruling on naming a child with this name according to the Shafie school of thought?

Is it permissible to give a child one of the names of Allah (Al-Asma` Al-Husna)? What is the ruling of Sharia on the names of Tazkiah {An Arabic term alluding to "tazkiyah al-nafs" meaning "sanctification" or "purification" of the self} and pessimism? Did the Prophet (Peace and blessings be upon him) change these names? Is the name "Mu`min" one of them?

What is the ruling of Sharia if a mistake was made in DNA, or when incorrect data were provided and led to issuing a court order proving lineage, but later on the court discovered otherwise ?

What is the ruling of Sharia on proving or disproving paternity through the DNA testing? Also, what is the ruling on proving paternity of an illegitimate child or child of unknown parentage?

Who has the right to choose a name for a newborn?

Does Islam forbid choosing non-Arabic names for children?

What is the ruling of Sharia on changing the name "Abed" into another one?

Recently, I have come to know that a certain woman gave birth to a girl and gifted that girl to her sister because the latter couldn`t beget children of her own. The girl was registered under the name of her aunt`s husband, and she is currently living with them as her real parents although she knows that they aren`t. Should I expose this to people knowing that the involved parties are against this for fear of scandal?

A man has named his child "Aysar." Is this permissible? If not, should he change it or keep it?

A dispute took place at the Masjid, where I pray, regarding the validity of calling Athaan (call to prayer) in the ear of the newborn. Some said that it is a wrong practice which people are accustomed to; however, I know that it is among the acts of Sunnah. Could you clarify the ruling of Sharia on this with providing the evidence?