[1]

This verse was revealed about the Companions of the Bench (a sheltered part of the Masjid for residence). They were approximately 400 companions who had performed the Hijrah (migration) to Madinah. They were homeless, without family, and unmarried Companions who devoted their time to worship and study. By day, they would be engaged in Jihad related matters and by night, they would learn the Quran.

[2]

This includes the scholars, students, and preachers who do not have time to earn due to their commitments to religious services; they do not ask for anything from people due to self-respect and dignity. Such figures conceal their poverty resulting in the assumption that they are living comfortably, however, the reality is the complete opposite which, after little investigation, reveals how their lives are full of hardships.