A person born in a country is blank to that country.

What goes in the blank?

native

To fill in the blank, we need to understand the relationship between a person born in a country and that country. The word that fits in the blank is "native."

To arrive at this answer, we need to know the meaning and usage of the word "native" in the context of citizenship. A native refers to someone who is born in a particular place, typically a country, and holds citizenship or has strong ties to that place. They are considered to be from that country by birthright.