noncharacter
noun
non·char·ac·ter
ˌnän-ˈker-ik-tər
-ˈka-rik-
1
: a person or thing that is not a character
distinguishing characters from noncharacters in scanned text
2
: a character in a dramatic or literary work who is not important or interesting
She's onstage the rest of the time as the ship's communications officer, one of the background noncharacters.—
Sam Hurwitt
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Merriam-Webster unabridged



