B1noun
نَذِيرٌ
nadhīr
warner / one who warns
Example
إِنَّا أَرْسَلْنَاكَ بِالْحَقِّ بَشِيرًا وَنَذِيرًا
innā arsalnāka bil-ḥaqqi bashīran wa-nadhīrā
Indeed, We have sent you with the truth as a bringer of good tidings and a warner (2:119)
Grammar
Active participle (faʿīl pattern) of أَنْذَرَ (to warn). Always paired with بَشِيرٌ (bearer of good news). Noun: نِذَارَةٌ / إِنْذَارٌ (warning).
Culture
Every prophet was both a bashīr (giver of good news to believers) and nadhīr (warner to disbelievers) — the dual prophetic message of hope and accountability.