‘I am a Messianic Jew,’ says the jittery young man at the rectory door. He is pale and drawn, with a close-shaven scalp and several days of bristles on a sharp chin. The bloodshot eyes search for me swimmingly. ‘A Jew, a Messianic Jew,’ he emphasises. I should have a clever rejoinder, but I am assessing if he has a knife so I only manage, ‘Ah yes, and how can I help?’ ‘Is this you?’ is thrown back at me, as he jabs his finger at the screen of his phone and then holds it up to my face like...