The phrase "young narrator" refers to a person who tells a story or shares information from their perspective who is at a youthful age. Full definition
Percy Isaac Gifford, the precocious young narrator in Laurie Friedman's Thanksgiving Rules, knows the secrets to stuffing yourself on Turkey Day: get dressed (in whatever clothes Mom wants); help clean up the house; be nice to your family... and then you get to eat! (bookpage.com)
I enjoyed Shulock's ode to precocious young narrators defined by «idiosyncratic voices, unapologetic intelligence and bold curiosity» (à la Blue van Meer in Marisha Pessl's Special Topics in Calamity Physics — which, as a side note, was probably my favorite book of 2006). (bookpage.com)
(Nickelodeon), a cartoon whose young narrator helps animals in danger, takes a more interactive approach, asking viewers direct questions and leaving enough time for them to process and shout answers. (scientificamerican.com)