Being a good 'cook' involves many 'skills' and attributes. In addition to the obvious cooking skills, a cook should be organized, creative, agile, healthy, receptive to new ideas, have a good sense of humour. The cook should also understand some of the science of cooking as this will enable him/her to deal with interesting new ingredients or, bail themselves out when their 'creation' isn't working as expected.
Many 'cooks' have previous or concurrent other careers and/or interests. It is very important to discern what these experiences are. In some cases these may contribute to the success and enjoyment of the voyage, as in this example:
Or, on the other hand, the seacook's personality or philosophy might put them at odds with the remainder of the crew as in this example: