Lauryn Hill's Ex BF Rohan Marley -- Wyclef Jean is LYING, He Knew I Was the Daddy

Wyclef Jean's claim that Lauryn Hill duped him into thinking he knocked her up ... is "bulls**t" and a money-making ploy -- at least according to Lauryn's real baby daddy ... Rohan Marley.Wyclef dropped the bomb about his ex Fugees bandmate in his…