The Overthrow of Humans [Story]

Ok, this is another one of my stories. Sorry for the first chapter not being up to the Experienced Writing Standard. Anyway, here it is.

Chapter 1 (Click to View)
Surely theres some other alternative for the word seller.

Edit: You didn't look hard enough. Merhcant, salesman, dealer, etc etc. And considering your age, if say you were in an exam environment you wouldn't have access to a thesaurus or dictionary, which is shy you should focus on increasing your vocabulary.
I spent about 15 minuted looking the thesaurus looking for one, but the only one that would fit in was dealer but it I rather seller.