petty officer

阿良

1.1
COMPLEMENT

Dep. Name class	Deck Dep	Engine Dep.	Catering Dep. &others
Highest officer	1-Captain	1-Chief engineer
Senior officer	1-Chief officer	1-Second engineer	1-Owner
Junior officer	1-Second officer 1-Third officer	1-Third engineer 1-Fourth engineer 1-Electric engineer
Petty officer	3-Petty officer	3-Petty officer
Crew	3-Seaman	1-Motorman 1- Oiler
Pilot	1- pilot
Total	22 Persons+6 Suez crews

请问各位大侠，（1）表格中的红字怎么翻译啊？是船上的什么人员啊？

                    （2）为什么没有厨师了？难道厨师不算船员？

aqwe

1普通士官2船员兼厨师

oscar

学习了