im·mi·grant
[ˈiməɡrənt]
NOUN
- a person who comes to live permanently in a foreign country.
Definition of immigrant
immigrant
: one that immigrates: such as
a: a person who comes to a country to take up permanent residence
b : a plant or animal that becomes established in an area where it was previously unknown
adjective
Nowhere in the definition does the word legal or documented get mentioned.
grow up https://travel.state.gov/content/visas/en/general/all-visa-categories.html