around 300 fishermen emerged from trawlers , villages and even the jungle .
had been stranded on benjina island by unscrupulous fishing company .
from poor countries like myanmar and cambodia , some were promised jobs in thailand but were instead taken against their will to indonesia .
many were made to work 20 to 22-hour days with no time off and zero pay .
claims of abuse by beating , whipping with stingray tails and electric shock .
indonesian fisheries ministry steps in after issuing a fishing moratorium .