Talk to any Somali who went on tahriib. Often times the Libyan authorities put migrant in prison and torture them just like the militias do.
There are no authorities in Libya you know nothing your ignorance is showing these hostages are taken to Libya by human traffickers who are usually there own people then they are held for hostage for weeks or months demanding money from there family back home.
When the money is paid they are put on flimsy boats which many people drown on.
The Libyans who are involved in human trafficking are a couple families hardly the government.
It has also been said that the human trafficking in Libya funds Isaias afwerki the dictator of Eritrea and a good friend of xaarmaajo