Probably not the most responsible suggestion, but you could always go see him, kick him in the nuts.
Or if that isn't for you, report him to police, he is committing a crime really.
Xperia Arc (Lt15I)
Relocked Bootloader, Stock .587, Stock Kernel (Given Away)
Xperia Arc S (Lt18a)
Relocked Bootloader, Stock ICS (Given Away)
Galaxy S III (GT-i9300)
Currently running: CyanogenMod M8
Galaxy Note 3 (N9005)
Knox Tripped, Returned to Stock, Sold to a friend
LG G2 (32GB D802)
Currently Running: Worship Rom V6
Samsung Galaxy Note Pro 10.1 2014 (SM-P600)
Currently Running: Hashcheck V2