‘People dehumanize you and they forget you’re a real person,’ Sean says of his frequent collaborator during MTV News’ ‘RapFix Live.’ By Alvin Blanco, with reporting by Sway Calloway and Rebecca Thomas Big Sean on “RapFix Live” Photo: Rich Sancho/ MTV News One topic Chris Brown has no problem discussing at length is Detroit rapper Big Sean. The R&B crooner heaped praise on the Kanye West prot