The British Pakistani Christian Association say they have been assisting the family in Kasur in the east of the country following their ordeal.
According to the charity, the Muslim gang targeted the family home, which was a mud house in a small village, knowing that they were Christian and threatened them with guns, sticks and metal poles.
There, Arif was tortured and then had to listen as his sister was gang raped in a separate room.
The next morning he managed to escape and return to his family, who had escaped their shackles.
But his sister Jameela was left behind and she remains missing.
According to the charity, local police have refused to investigate the case and the family are deeply traumatised.
Wilson Chowdry, chairman of the British Pakistani Christian Association said: 'We will now begin the arduous task of helping them rebuild their lives in an atmosphere of safety.
'However, the captured daughter Jameela may well never be found and her malicious kidnap is causing great anguish and despair. [...]
Pakistan: Brother Tortured And Forced To Listen To Muslim Gang Raping His Sister After Refusing To Convert To Islam
Posted by Women Against Shariah on Friday, October 7, 2016
From the Daily Mail: