In Shadowshaper, the person that appears at the party is:
He looks like an odd and creepy man. He came to look for the Shadowshaper, Sierra.
Shadowshaper is known to be an urban young adult novel written by Daniel José Older. The story tells about Sierra, teenage girl of 15 years who discovers she has a magical and spiritual family heritage.
When Lázaro discovers the mural painted by Sierra, he tells Sierra that she is a Shadowshaper. Then Sierra begins the search to know who a Shadowshaper is.
Lázaro tells Sierra to meet Robbie who will guide her. Sierra meets Robbie in a party and it was there the man, Chandler chases her back home.
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