That's the definition of nativism?
Very good question.
Along with the general definition:
"the policy of protecting the interests of native-born or established inhabitants against those of immigrants."
Consider some examples:
Some Americans that are strongly nativist
but not racist and also for instance don't like Trump a lot might for instance object to Trump's current wife, Melania Trump -- because she's Eastern European, and not native born. They might tolerate only a few foreigners, and it's a slight strain for them to tolerate even a few if they are a really strong nativist. Alternatively, they may feel that any foreigner ought to pay taxes, but not get any significant benefits, like Social Security (even after paying Social Security taxes for years), for example.
In contrast,
a nativist that is also racist, in contrast, might like Melania Trump so long as there are not too many others like her coming (or tolerate Asians as long as not too many show up, etc.), but
can tolerate her because she is white and European, for instance, but might not want
any Central Americans to immigrate, because they are not European, and not as white. That would be a nativist that isn't too strong a nativist, but is racist.
A nativist that is not racist might tolerate
some immigrants, even some from Central America also, but not many. They might think a small number is ok, like 2,000 (or 10,000, etc.) -- and for such a person the phrasing
"legal immigrant" and "illegal" etc. are the comfortable, handy way to avoid talking about their real feeling too much, and hide that under color of law.
And
"illegal immigrant" is a very convenient language also, because the administration can cut sharply
down the number
legally allowed sharply downwards, to a small number, and it's less obvious/less public what is happening to legal immigration caps or legal asylum caps...
Refugees -- those fleeing often for their lives, not safe often even in Mexico, because of the reach of the cartels or gangs that want to kill them -- these can also be sharply cut down, even though
it will mean some of them die (because they really are fleeing for their lives).
So,
nativism, though pleasant to any of us at first, in mere what-we'd-like-best for ourselves, is directly against God's will:
Leviticus 19:34 You must treat the foreigner living among you as native-born and love him as yourself, for you were foreigners in the land of Egypt. I am the LORD your God.
Deuteronomy 10:19 So you also must love the foreigner, since you yourselves were foreigners in the land of Egypt.
Basically, God loves refugees, and doesn't want those who are His to refuse to love them also.
