Ralph goes first when the boys reach castle rock because Ralph is the elected leader and he feels that it is his duty.
Ralph is elected chief during the very first meeting, which happens very early in the book.
Who suggest Ralph & Piggy should go to the party in Chap.9
Ralph
Jack challenged Ralph to go up the mountain to look for the beast with him in the dark. Ralph responds by accepting the challenge and bringing Roger along with him.
chief
Ralph McDaniels goes by Uncle Ralph.
Ralph Jeanty goes by Ralph "Vintage" Jeanty.
Ralph Farris goes by Ralph Equality Farris.
Ralph Houk went by The Major.
Ralph Amoussou goes by Nicky.
Aubrey Ralph goes by Obka.
Ralph Rieckermann goes by Scorpions.
Ralph Dawson went by Pappy.
Ralph Kretschmar goes by Ralphy.
Ralph Ganis goes by West.
Ralph Gracie goes by The Pitbull.
Ralph Branca goes by Hawk.