WAble seaman
WBarrelman
WBoatswain
WCabin boy
WSea captain
WChief cook
WChief engineer
WChief mate
WChief steward
WCoast guard
WCooper (profession)
WDeck cadet
WDeck department
WEngine department
WEngine officer
WFisherman
WHarbourmaster
WHawsepiper
WHelmsman
WKenya Coast Guard Service
WKhalasi
WLighterman
WLighthouse keeper
WList of United States Navy enlisted rates
WLoading master
WLock keeper
WLookout
WMaritime pilot
WMaster (naval)
WMaster Chief Petty Officer of the Navy
WMaster-at-arms (United States Navy)
WMotorman (locomotive)
WNaval architecture
WOiler (occupation)
WPetty officer second class
WPowder monkey
WPumpman
WQuartermaster
WQueen's Harbour Master
WKorea Coast Guard
WRigger (industry)
WRigging
WRigging monkey
WSailmaker
WSailor
WSeal hunting
WSeaman (rank)
WSeaman recruit
WShip chandler
WShip's cat
WStevedore
WSteward's assistant
WThird mate
WUnited States Coast Guard
WWatchkeeping
WWaterman (occupation)
WWhaling
WWiper (occupation)