You could also have ones like
[Name] Earth Ship Exterminator / Mars Mangler / Venus Vanquisher
for those who have killed say 10 enemy goliaths in your home sector.
If these titles came with bonus's, say a few thousand Uri, it would reward those players who help the noobs by defending them. You could also have titels that bring penalties, such as the Noob bashers, and even
[Name] is a expert thief
for those cargo stealers, not only would we all know who they are, they could loose even more "honour" for having gained this "title"