Here is quote that takes the opposite stand and promotes use of force to remove people that shouldn't be there:
1. Exodus 23:31 "I will establish your borders from the Red Sea [ Hebrew Yam Suph; that is, Sea of Reeds ] to the Sea of the Philistines, [ That is, the Mediterranean ] and from the desert to the River. [ That is, the Euphrates ] I will hand over to you the people who live in the land and you will drive them out before you.
And when the law is changed to provide a legal way for aliens to stay, I assume you will expect Christians to support that new law too?
Lev's laws followed Exodus.