Zuberi
Zuberi is the Swahili form derived from the Arabic name Zubayr; its linguistic source is Arabic though the specific form is East African.
No specific form 'Zuberi' does not appear in the Quran; the Arabic root/name Zubayr is attested in Islamic historical sources.
Zubayr ibn al-Awwam was a well-known Companion (Sahabi) of the Prophet Muhammad; Zuberi is a regional variant inspired by that classical name.
Zuberi is found across Swahili-speaking communities but remains less common than its Arabic counterpart, giving it a rarer, classical character.
Yes — it balances classical Islamic resonance with a concise, modern phonetic profile and is readily pronounceable across languages.