Love strangers as you love yourself.
The stranger that dwelleth with you shall be unto you as one born among you, and thou shalt love him as thyself. Leviticus 19:34
Love ye therefore the stranger. Deuteronomy 10:19
Treat them fairly.
Thou shalt not pervert the judgment of the stranger. Deuteronomy 24:17
Let them live with you.
Though he be a stranger ... he may live with thee. Leviticus 25:35
Don't vex or oppress them.
Thou shalt neither vex a stranger, nor oppress him. Exodus 22:21
Also thou shalt not oppress a stranger. Exodus 23:9
If a stranger sojourn with thee in your land, ye shall not vex him. Leviticus 19:33
Oppress not the stranger. Jeremiah 7:6
Oppress not the ... stranger. Zechariah 7:10
Leave some of your crops unharvested so that they will have something to eat.
Thou shalt not glean thy vineyard, neither shalt thou gather every grape of thy vineyard; thou shalt leave them for the poor and stranger. Leviticus 19:10
When thou cuttest down thine harvest in thy field, and hast forgot a sheaf in the field, thou shalt not go again to fetch it: it shall be for the stranger.... When thou beatest thine olive tree, thou shalt not go over the boughs again: it shall be for the stranger.... When thou gatherest the grapes of thy vineyard, thou shalt not glean it afterward: it shall be for the stranger..... Deuteronomy 24:19-21
Don't hurt them.
Do no violence to the stranger. Jeremiah 22:3
Whatever you do to strangers you do to Jesus.
For I was an hungered, and ye gave me meat: I was thirsty, and ye gave me drink: I was a stranger, and ye took me in. Matthew 25:35
God commanded the Israelites to kill without mercy the strangers that he delivered to them.
And when the LORD thy God shall deliver them before thee; thou shalt smite them, and utterly destroy them; thou shalt make no covenant with them, nor shew mercy unto them. Deuteronomy 7:2
And to kill any strangers who came near his holy place (the tabernacle).