See how often they participate in the script: HERE.
Character Story: Link's friend and fellow ranch worker in Ordon. Together they care for local goats, several of which escape while on his watch alone.
Race Story: Humans typically live peacefully with other races throughout all of Hyrule. The more specific Hylian race is a subcategory of humans. They can be differentiated by their ears -- Humans have rounded ears and Hylians have pointed ears.