Collocations for citizen - noun

full
They are fighting for acceptance as full citizens of the country.

naturalized
British, Thai, US, etc.
decent, good, honest, law-abiding, model (esp. AmE), respectable, responsible, solid, upright, upstanding
This terrible crime has shocked all law-abiding citizens.

concerned
leading, prominent
She is a prominent citizen of the town.

average, ordinary
It's not clear how the new law will affect the ordinary citizen.

innocent
armed (esp. AmE)
second-class
Gay people have had enough of being treated as second-class citizens.

private
lawsuits brought against private citizens
The king was visiting France as a private citizen.

senior
discounts for senior citizens

productive (esp. AmE)

sb's fellow citizens