Hello Junes1,
I am Dave, an Independent Advisor, I will help you with this.
1
Open the Word document, then select File - Info.
On the right, show all properties, is that Ethan Frome listed as the Author?
If so, add your name as a new Author, then right click that Ethan Frome and select Remove.
2
To permanently change the default Author name in your Word application, go to File - Options.
On the right, in the 'Personalize your copy of Office' section, you can set the default Author's details.