Leviticus 19:33

If a stranger sojourn by thee in your land, see that ye vex him not:

Exodus 22:21

Vex not a stranger, neither oppress him, for ye were strangers in the land of Egypt.

Exodus 23:9

Thou shalt not oppress a stranger, for I know the heart of a stranger, because ye were strangers in Egypt.

Malachi 3:5

I will come and punish you, and I myself will be a swift witness against the witches, against the adulterers, against false swearers: yea, and against those that wrongfully keep back the hireling's duty, which vex the widows and the fatherless, and oppress the stranger, and fear not me, sayeth the LORD of Hosts.

Deuteronomy 10:18-19

but doeth right unto the fatherless and widow and loveth the stranger, to give him food and raiment.

Deuteronomy 24:14

Thou shalt not defraud a hired servant that is needy and poor, whether he be of thy brethren or a stranger that is in thy land within thy cities.

Jeremiah 7:6

If ye will not oppress the stranger, the fatherless and the widow; if ye will not shed innocent blood in this place; if ye will not cleave to strange gods to your own destruction;

Ezekiel 22:7

In thee have they despised father and mother, in thee have they oppressed the stranger, in thee have they vexed the widow and the fatherless.

Ezekiel 22:29

The people in the land useth wicked extortion and robbery. They vex the poor and needy and oppress the stranger against right.

Treasury of Scripture Knowledge

Summary

And if a stranger sojourn with thee in your land, ye shall not vex him.

General references

Bible References

And if

Exodus 22:21
Vex not a stranger, neither oppress him, for ye were strangers in the land of Egypt.
Exodus 23:9
Thou shalt not oppress a stranger, for I know the heart of a stranger, because ye were strangers in Egypt.
Deuteronomy 10:18
but doeth right unto the fatherless and widow and loveth the stranger, to give him food and raiment.
Deuteronomy 24:14
Thou shalt not defraud a hired servant that is needy and poor, whether he be of thy brethren or a stranger that is in thy land within thy cities.
Malachi 3:5
I will come and punish you, and I myself will be a swift witness against the witches, against the adulterers, against false swearers: yea, and against those that wrongfully keep back the hireling's duty, which vex the widows and the fatherless, and oppress the stranger, and fear not me, sayeth the LORD of Hosts.

Vex him

Jeremiah 7:6
If ye will not oppress the stranger, the fatherless and the widow; if ye will not shed innocent blood in this place; if ye will not cleave to strange gods to your own destruction;
Ezekiel 22:7
In thee have they despised father and mother, in thee have they oppressed the stranger, in thee have they vexed the widow and the fatherless.

General references

Deuteronomy 10:19
Love therefore the stranger, for ye were strangers yourselves in the land of Egypt.