Leviticus 19:33

And if a stranger lives with you in your land, you shall not oppress him.

Exodus 22:21

You shall neither vex a stranger nor oppress him, for you were strangers in the land of Egypt.

Exodus 23:9

Also you shall not oppress a stranger. For you know the heart of a stranger, since you were strangers in the land of Egypt.

Malachi 3:5

And I will come near you to judgment. And I will be a swift witness against the sorcerers, and against the adulterers, and against false swearers, and against those who extort from the hired laborer's wages, and turning away the widow, and the orphan, the alien, and not fearing Me, says Jehovah of Hosts.

Deuteronomy 10:18-19

He executes justice for the fatherless and widow, and loves the stranger in giving him food and clothing.

Deuteronomy 24:14

You shall not oppress a hired servant who is poor and needy, of your brothers, or of your strangers that are in your land within your gates.

Jeremiah 7:6

if you do not oppress the stranger, the fatherless, and the widow, and do not shed innocent blood in this place, nor walk after other gods to your hurt;

Ezekiel 22:7

In you they have despised father and mother. In your midst they have dealt with the stranger by oppression. In you they oppressed the orphan and the widow.

Ezekiel 22:29

The people of the land have used oppression and practiced robbery, and they have troubled the poor and needy. Yea, they have oppressed the stranger without 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
You shall neither vex a stranger nor oppress him, for you were strangers in the land of Egypt.
Exodus 23:9
Also you shall not oppress a stranger. For you know the heart of a stranger, since you were strangers in the land of Egypt.
Deuteronomy 10:18
He executes justice for the fatherless and widow, and loves the stranger in giving him food and clothing.
Deuteronomy 24:14
You shall not oppress a hired servant who is poor and needy, of your brothers, or of your strangers that are in your land within your gates.
Malachi 3:5
And I will come near you to judgment. And I will be a swift witness against the sorcerers, and against the adulterers, and against false swearers, and against those who extort from the hired laborer's wages, and turning away the widow, and the orphan, the alien, and not fearing Me, says Jehovah of Hosts.

Vex him

Jeremiah 7:6
if you do not oppress the stranger, the fatherless, and the widow, and do not shed innocent blood in this place, nor walk after other gods to your hurt;
Ezekiel 22:7
In you they have despised father and mother. In your midst they have dealt with the stranger by oppression. In you they oppressed the orphan and the widow.

General references

Deuteronomy 10:19
Therefore love the stranger, for you were strangers in the land of Egypt.