פירוש על ויקרא 25:49

או דודו, “or his uncle;” this is also a reference to another attribute of Hashem, as we know from Song of Songs 5,16: זה דודי ורעי, “this is my uncle and good friend.”

או בן דודו, “or the son of his uncle, his cousin;” this is a reference to the Messiah, of whom it is said in Psalms 2,7: בני אתה, “you are My son.” [The subject being Hashem. (Compare comment in Talmud tractate Sukkah folio 52.

או השיגה ידו, “or he has become wealthy;” as a result of performing the commandments of the Torah; so that he was able to redeem himself.