This is the 992nd most frequent French word.
algérien
"Algérien" means "Algerian" in English, referring to something or someone from Algeria.
Here, 'algérien' is used as a predicate adjective following the verb 'être', describing the subject 'Il' by stating their nationality.
Il est algérien et parle couramment le français.
He is Algerian and speaks French fluently.
In this case, 'Algériens' is the plural form of the noun denoting people from Algeria.
Les Algériens célèbrent leur indépendance le 5 juillet.
Algerians celebrate their independence on July 5th.
In this sentence, 'algérien' functions as an adjective describing the noun 'étudiant', indicating the nationality of the student.