i want to know the meaning of arzan and shaaz for boys

Arzan, pronounced [(U)p + p(R)ay] + [(Z)oom + m(AN)] with emphasis on the second syllable, is a literary Persian word that means "worthy", "valuable", "deserving", "fitting". It is not an Islamic name, but Muslims can use it since it does not have a bad meaning.

Shaaz is a non-Quranic Arabic name that means "unique", "rare". It is the name of a narrator of hadith: Shaaz bin Yahya. Shaaz is not a Quranic name but since it doesn't have a bad meaning, Muslims can use it. It is pronounced [(SHA)rp + (Z)ero], written as شَاذّ in Arabic, and can be written as Shaz, Shazz, Shaazz in English.