Spirit associated with sailors a lot (5)

I haven't cracked this one yet — but the brilliant team at Times for the Times have:

I stared at this for a while trying to find a way to explain it. Even so I’m raising an eyebrow. KA is an ancient Egyptian name for a spirit of life; RM are Royal Marines so sailors of a sort; A. For me KARMA doesn’t mean LOT or fate, it means actions in this life which are supposed to affect your next one, but it’s this sort of crossword.