Question

no us citizen has ever been brought to the uk for alleged criminal activity that took place on us soil.
source: the guardian
in this sentence, citizen means:
● someone who offers opposition
● a person who inspires fear or dread
● someone who directs and manages an organization
● a native or naturalized member of a state

Explanation:

The word "citizen" in the context of a country (US in this case) refers to a person who is a legal member of that country, either by birth (native) or through naturalization. The other options: "someone who offers opposition" is more related to a dissenter; "a person who inspires fear or dread" is a description of a menacing figure; "someone who directs and manages an organization" is a manager or director. None of these fit the standard meaning of "citizen" in a national - membership context.

Answer:

a native or naturalized member of a state