Answer:

shipmate

Answer	Crossword Clue
SHIPMATE	Onboard peer
SHIPMATE	Pulver, to Roberts
SHIPMATE	Companion at sea.

SHIPMATE	Fellow traveler.
SHIPMATE	Fellow crew member
SHIPMATE	Starbuck, to Stubb
SHIPMATE	Starbuck, to Ishmael

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.