Nonperson and Picayune

Nonperson noun - A person regarded as nonexistent and having no rights; a person whose existence is systematically ignored (especially for ideological or political reasons).

Picayune and nonperson are semantically related. In some cases you can use "Picayune" instead a noun "Nonperson".

Picayune noun - Something of little importance.

Nonperson and picayune are semantically related. Sometimes you can use "Nonperson" instead a noun "Picayune".