Names, Surnames & Titles

The name "Raju"

Q: A male whose name is Raju, what does the name Raju mean? Is it permissible to keep the name or should the name Raju be changed because I
heard Raju is a Hindu name?

The name "Alayna"

Q: Is it permissible to keep the name alayna الينة as in the root ل ي ن not علينا the preposition. Alayna is derived from layyinah which is mentioned in surah taha. Alayna is also mentioned in surah yaseen. Is Aleena or liyana suitable names?

The name "Aleeza"

Q: I would like to know if the name Aleeza is an Arabic Name and what is the meaning of it? I have heard conflicting answers, in that it means the daughter of Ali (RA) or it means Joy/Happiness. Some say its from a hebrew origin.

The name "Yaafi'"

Q: My son's name is Yaafi' Mohammed. I would like to request you to kindly give some advice about the name. I searched the internet and found the meaning of Yaafi' is honoured and a narrator of Hadith.