By Alexander Ratz BERLIN (Reuters) – Ahmad, a 30-year-old Afghan who worked for the German military, is now in hiding in Kabul in fear of his life. Like many other local staff who worked for Western governments and their armies, Ahmad was left behind when the International Security Assistance Force pulled out in August. “I am sure, when the Taliban find out that I worked for ISAF, that will be the last day of my life,” he told Reuters over Skype. Ahmad says his contact at the German Defence Ministry last called him in October. “‘We’ll get you out’, he told me,” Ahmad recalls, but then nothing …