What is the meaning of "Ger ve'Soshav"?
Da'as Zekenim (Al Derech D'rush): "Ger" alludes to [exile under] Malchus Madai; "Toshav" alludes to Malchus Yavan, and "Mishpachas Ger" is Malchus Romi, which will be uprooted.
Targum Onkelos and Targim Yonasan seem to interpret "Ger" and "Toshav" as two different people, and the commentaries therefore equate their opinion with that of the Sifra, who translates them as 'Ger Tzedek' and 'Ger Toshav'. However this does not concur with their translation
Why does the Torah insert the words "Yad Ger ve'Toshav Imach" and "u'Mach Achicha Imo"?
Rashi: To teach us that the Nochri became rich because he cleaved to you and your brother became poor because he cleaved to the Nochri and learned from his ways.
Ramban: 'It is because the Ger became wealthy with us, that our brother became poor with him. 1
What is the meaning of "O le'Eiker Mishpachas Ger"?
Rashi (citing the Sifra) and Ramban #1: "Mishpachas Ger" refers to the Nochri
Why does the Torah permit a Yisrael to sell himself to a Nochri?
Refer to 25:39:2.1:1.