See how often they participate in the script: HERE.
Character Story: Husband of Sera and father of Beth. A timid man who works hard to support his family as much as Sera does.
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.