Caleb , rugby union centre and wing; 1998 New Zealand Test debutant against England (5)
I believe the answer is:
ralph
(Other definitions for ralph that I've seen before include "Fellow's name" , "___ Fiennes, English actor, b. 1962" , "Boy's name" , "--- Waldo Emerson, US writer" , "Piggy's friend (Lord of the Flies); --- Vaughan Williams" .)