I do not think this is possable but ...

AuthorMessage
Petty Officer
Jul 06, 2013
58
Can you recruit One Eye Jack into your party ?

Gunner's Mate
Jul 03, 2011
207
Sadly, I don't think you can. It would be cool if they put in a side quest that you could get him from or if they put him in the crown store.

Ensign
Apr 25, 2012
14
Captain
Feb 27, 2009
505
I think he or Blind Mew mentioned that there will be no more NPC companions being added which stinks but I'm sure they could if it fit the storyline.