For an almost exact parallel to this verse, see Lev 19.34 (see also Exo 22.21; 23.9). Love here refers to showing concern and care for these foreigners. Thus the translation may be “So you should show care and concern for…,” or even “So you should care for….”

Quoted with permission from Bratcher, Robert G. and Hatton, Howard A. A Handbook on Deuteronomy. (UBS Helps for Translators). New York: UBS, 2000. For this and other handbooks for translators see here .