Seeing a poor person signifies painful poverty, while seeing oneself poor signifies wealth. The entry cites Qur'an 28:24 and says such a person may receive much wealth and food. Poverty may also signify religious soundness and steadfastness.
Abu Sa'id al-Wa'iz says seeing oneself poor signifies much food and blessed provision. A wealthy person becoming poor signifies increase in wealth, and the same applies to a merchant. Begging from people signifies making many supplications.
Seeing a beggar in a place may signify the death of a wealthy person there and charity being distributed. Begging and receiving what is asked for signifies wealth obtained without toil. The source also interprets poverty as goodness and benefit.