Hayseeds
Agriculturalist, breeder, country person, harvester, producer, or sharecropper.
foreigner
An immigrant enters a country, an emigrant leaves a country... So I don't think it can be just one word. It would have to be something like 'person who left their country.'
The word that means from another country is "foreign."
Another word for country estates is villa or villas.
plain,
what is another word for person
A possible antonym for "immigrant" is "emigrant", which refers to a person who leaves their own country to settle permanently in another country.
The noun 'rustic' is a singular, common, abstract noun; a word for a person who comes from or lives in the country; an unsophisticated, simple, or clownish person from the country. The abstract noun form for the adjective 'rustic' is rusticity.
Another word for leaders of a country is "heads of state" or "chief executives."
A country that is a 'friend' of another country is called an ally.
another word for the qualities of a person is the traits of a person or the vitues of a person