ماذا يُطلق على مَن أسلم في زمن النبي صلى الله عليه وسلم ولم يره؟

Whoever did not see the Prophet, peace and blessings be upon him, directly, is not considered a Companion. Rather, the Hadith scholars count them among the Tabi'un (Successors) and call them "Al-Mukhadramun among the Tabi'un," because they lived through the Jahiliyyah (pre-Islamic era) and the life of the Prophet, peace and blessings be upon him, and embraced Islam without seeing him. Among them are: Abu Raja' Al-Attaridi, Abu Wa'il Al-Asadi, Suwayd bin Ghafalah, and Abu Uthman Al-Nahdi. A Mukhadram is named so because of their oscillation between two states: they are between the Companions due to having lived through both Jahiliyyah and Islam, and between the Tabi'un due to not having seen the Prophet, peace and blessings be upon him.