Second in Command on a Merchant Ship

This page is the CodyCross answer for the clue below from Canada, Group 1266, Puzzle 5 (Melting Pot).

Question is: Second in Command on a Merchant Ship

and the answer is: FIRSTMATE

Word Meaning:

FIRST MATE — An officer on a merchant ship next in rank to the captain and responsible to the captain for the safety and security of the ship.

Definitions from Wiktionary.