A citizen.
i think 200watts/citizen
If you are not a citizen of the EU you need a passport to enter Spain.
First off, you're not an 'English' citizen, you are a British citizen. England is not an independent country.
You have to be a Spanish citizen to be Spanish.
The nationality of people who were born and live in Spain is Spanish and they are called Spaniards. As in most countries lots of different peoples (nationalities) have come to live and work in Spain and they keep their own nationality.
A citizen's army is called a militia
A citizen of Bangkok is called a Bangkokian.
A citizen of France is called a French citizen of a Frenchman.
A citizen of Ivory Coast is called an Ivorian.
A citizen of New Hampshire is called a New Hampshirite.
You can be a Spanish citizen at any age.