narrator
Concise Oxford English Dictionary © 2008 Oxford University Press:
narrate /nəˈreɪt/
▶verb give a spoken or written account of.
■ provide a commentary to accompany (a film, story, etc.).
– derivatives
narratable adjective,
narration noun,
narrator noun,
narratorial /narəˈtɔːrɪəl/ adjective.
narratable adjective,
narration noun,
narrator noun,
narratorial /narəˈtɔːrɪəl/ adjective.
– origin C17 (earlier (ME) as narration): from L. narrat-, narrare ‘relate’.
'narrator' also found in these Oxford entries:

