There are multiple definitions - click on the translation that matches your context.

Staatsangehöriger

Substantiv

full

citizen

noun

Comparative law notes

A better term would be the noun, "national": "a citizen of a particular country, typically entitled to hold that country's passport."

Definitions of citizen

someone who is a member of a particular country or someone who lives in a particular town or city

She claimed to be a British citizen and used a false passport.