bluejacket (n.)

• boot
• buccaneer
• cadet
• fisherman
• frogman
• gob
• jack
• jack-tar
• jolly
• limey
• lobsterman
• marine
• mariner
• midshipman
• navigator
• pirate
• privateer
• sailor
• salt
• seafarer
• seaman
• shipman
• tar
• viking
• whaler
• windjammer