Finder is a freind of Cara Diana Hunter and a loyal Unicorn to the Queen. He is good at finding things and exploring Luster, hence his name. He is killed in a delver attack. He had a crush on Belle, as confirmed as some of his last words before the wounds from the Delvers killed him.
"I've always thought you were beautiful, but I thought might've loved Lightfoot. I never said anything just in case...I had to tell you before..."