poster child(n = noun.person) Array - a child afflicted by some disease or deformity whose picture is used on posters to raise money for charitable purposes; "she was the poster child for muscular dystrophy"
is a kind of child, fry, kid, minor, nestling, nipper, shaver, small fry, tiddler, tike, tyke, youngster
has particulars: poster boy, poster girl

bill poster, child, child abuse, child care, child molester, child neglect, child pornography, child prodigy, child psychology, child study, child support, child welfare agency, child welfare service, female child, flower child, foster child, illegitimate child, latchkey child, love child, male child, monday's child, poster, poster board, poster boy, poster color, poster colour, poster girl, poster paint, school-age child, street child, theatrical poster, wanted poster, with child, wonder child