Answer A (Sunni View)
Farooq e Azam meanig The Distinguisher .
Answer B (shia view)
The Hadith saying there is no leaf unless it is written on it Abubakr Siddique and Umar Farooq is not considered authentic according to shia scholars. this is Hadith is considered a fabricated Hadith by Ali Ibn Jamil Reqqi. Tabarani has mentioned this Hadith and said this is a fake Hadith. Ali Ibn Jamil was who fabricated too many Hadith and is the only narrator of this Hadith.
Coments, Sunny also don't accept hadiths quoted by shia as athentic .
Comments, Shia also don't accept hadiths quoted by shia sunni as authentic unless it is proved all persons in narration chain of Hadith are trusted.
Hazrat umar RA why because to achieve the khilafat after him and he want to follow the path of his first caliph.
The Laqab of Hazrat Ibrahim is "Khalil-Ullah"
The laqab of hazrat Adam (A.S) is Safi Ullah, but need to check for the hazrat Noah (A.S). . . .
Safi ullah and its meaning is the chosen on (muntakib kiya gaya)
Zul-noon
The laqab of Hazrat Musa (Moses) is Kaleemullah, which means "the one who spoke with Allah". This title was given to him because of his direct communication with God.
Hazrat Ali AS lead the Janaza Prayer of Bibi Fatima and then Buried the blessed Body the same night next another prayer was held to offer Ghaibana Namaz e janaza lead by then Caliph Hazrat Abu Bakar RA
What is tha laqab of hazrat nooh
By Muslim election of him.
hazrat abu bakar sadique
H. Abo Bakar sidique ra .
though masjid-nabvi was totally built by hazrat muhammad (peace.be.upon.him)yet the amount to buy the place where it was built was purchased by hazrat abu bakar and hazrat abu bakar paid for purchasing the land for masjid nabvi .