high volume

hi there! joined to get lots of help with growth hacking and lead gen my focus is high volume shopify/magento/bigcommerce merchants selling 500-5000 orders per day (5 days in a week)

I found a keyword with monthly searches 11m but its not a informational keyword, its a movie download keyword, until now Only one website is targeting the keyword, rest are some random high authority sites but problem is that tried rank for the keyword but couldn't be able to rank, one person is...