Zanjero means "ditch rider."
It's also the punch line of this amusing fictional exchange.
The graphics are from Harris Decals.
(I wish I'd known about them before I bought my registration numbers from BoatUS.)

Chainplate repair.
Mast gate modification. 
Trailer Refurb
LED navigation lights
Fog
Mooring Whips
Mooring Whip Bases
Cup Holder
Mast Raising Contraption
G20 Owner's Manual (1.3MB PDF)