Surah Al-Fath 48:8

إِنَّآ أَرْسَلْنَـٰكَ شَـٰهِدًا وَمُبَشِّرًا وَنَذِيرًا

Indeed, We have sent you as a witness and a bringer of good tidings and a warner

Translation: Saheeh International

Tafsir

Indeed We have sent you as a witness against your community at the Resurrection and a bearer of good tidings to them in this world and a warner to threaten those in it who do evil with the punishment of the Fire;

Excerpt from Tafsir al-Jalalayn, commentary on 48:8, via Quran.com. The reader has the full commentary and 9 more tafsirs.