Possible Clues:

• Member of order such a train transported
• Vehicle in this way met by chap’s brother?
• '. . . kill this lecherous itch with drinking water, / Or live, like a —, on poor-john' Massinger, The Guardian)
• An eminent Spanish breed of Stendhalian monk
• Public school alumnus, less recognizeable than Icarus
• Public schoolboy getting shut in a car by mistake