1) Author 2) Lifeline 3) One who can tell your story 4) Writer 1) Autobiographer 2) Autobiographic 3) Autobiographical 4) Chronicler 5) Hagiographer 6) Hagiographist 7) Hagiologist 8) Plutarch 9) Strachey 10) Writer 
• (n.) One who writes an account or history of the life of a particular person; a writer of lives, as Plutarch.
<specialist> One who writes an account or history of the life of a particular person; a writer of lives, as Plutarch. ... (20 Mar 1998) ... 
Bi·og'ra·pher noun One who writes an account or history of the life of a particular person; a writer of lives, as Plutarch. 
[n] - someone who writes an account of another person`s life
biographer One who writes about the lives of people excluding oneself.
noun someone who writes an account of a person`s life
Provides the history of a person, including essential facts.
a writer of someone's biography.