Nationalist (noun)

1. A person who strongly identifies with their nation and actively supports its interests, especially to the exclusion or detriment of the interests of other nations or groups.
2. A person who advocates for the interests of their nation and its people, often in support of independence or self-government.

Origin:

French nationaliste, from national national + -iste -ist.

Examples:

1. He was a nationalist who believed in the sovereignty of his country.
2. The nationalist party promoted policies aimed at preserving the culture and traditions of the country.
3. He was a nationalist who believed in the rights of his people.
4. The nationalist leader promised to bring about economic and social reforms for the country.
5. The nationalist movement sought to promote the interests of the country in the international arena.