nationalist

nouns

one who loves and defends his or her country
is derived from
an advocate of national independence of or a strong national government
is derived from
is derived from
is a type of (narrower)
a person who pleads for a cause or propounds an idea

adjectives

devotion to the interests or culture of a particular nation including promoting the interests of one country over those of others
"nationalist aspirations"; "minor nationalistic differences"