Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
quran:26:198

And even if We had revealed it to one among the foreigners  

For had We revealed it to some non-Arabs (a‘jamūn is the plural of a‘jam),
القرآن:٢٦:١٩٨

وَلَوْ نَزَّلْنَاهُ عَلَىٰ بَعْضِ الْأَعْجَمِينَ  

{ولو نزلناه على بعض الأعجمين} جمع أعجم.