قُلْ يَا أَيُّهَا النَّاسُ إِنِّي رَسُولُ اللَّهِ إِلَيْكُمْ جَمِيعًا
Say: O people, I am the Messenger of Allah to you all. (Al-Aʿrāf 7:158)
The words to you all affirm that the prophetic mission addresses all people.
The teaching and call of the Prophet ﷺ provide guidance for every generation and nation.