they sold. Reference to Pentateuch (Lev_25:39. Deu_15:12). App-92, A Hebrew might sell himself, but not his brother or an insolvent debtor 2Ki_4:1; Neh_5:5),
the righteous = the righteous one.
the poor = a needy one. Hebrew ebyon. See note on "poverty", Pro_6:11.
a pair of shoes. Put by Figure of speech Metonymy (of Adjunct), App-6, for the title-deeds of which it was the token. Compare Rth_4:7.