Answer
This is an official answer by QuranicNames.com Staff
Aariz in (Aaridh) in Arabic means a rain-bearing cloud, it is from the Quran. In other languages it seems to mean leader, but this is not the Arabic meaning.
Aariz (the Quranic name) can also be spelled as Arez, Ariz, Areiz, Areze, Arize.