The entire verse is recast in Good News Translation to make the structure more natural in English. The same kind of restructuring may be helpful in other languages.
Stranger: see 16.29.
Do him wrong: the verb may be translated “mistreat,” “oppress,” “exploit,” or “take unfair advantage of.” In this context there seems to be the idea of a person in a position of power taking unfair advantage of one who is weak.
Quoted with permission from Péter-Contesse, René and Ellington, John. A Handbook on Leviticus. (UBS Helps for Translators). New York: UBS, 1990. For this and other handbooks for translators see here .
