
1) Charity symbol 2) Person who embodies a cause
Found on
https://www.crosswordclues.com/clue/poster-child

The term poster child (sometimes poster boy or poster girl) originally referred to a child afflicted by some disease or deformity whose picture is used on posters or other media as part of a campaign to raise money or enlist volunteers for a cause or organization. Such campaigns may be part of an annual effort or event, and may include the name an...
Found on
http://en.wikipedia.org/wiki/Poster_child
noun 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`
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.