Why complicate things with naming [OUT] for Outcasts (just an example) when if you keep just a little to the RP, it becomes VERY hard to loose the ingame tag of Outcasts (example also)?
I like being able to appear in people's HUD as 'Outcasts - Bernard.Fokke[GoR]', which is much more 'fitting' to the game than '[OUT]Bernard.Fokke[GoR]'.
If the people would really RP and not think, I quote: 'NPC reputation means squat', there won't be any problem. Same for the [P], [X], [T] and so on. If you're Outcasts tagged for example, I think it's obvious you're not looking for someone to give him (her) candy.
I won't blame anyone for shooting me if I'm red in his/her HUD. I even went so far to tag my Outcast character with the Outcast Guard - it'll be red in a lot of HUDs. Not complicated, takes a few more missions and a few calculated kills.
If the stars should appear one night in a thousand years, how would men believe and adore and preserve for many generations the remembrance of the city of God? - from 'Nightfall' by I. Asimov The Outcasts consider Siniestre Nube a sacred place for several reasons. Early explorers discovered a jumphole within the depths of the cloud that leads to a strange world of ringed stars and strange craft. All ships in the burrial ground are placed facing that hole to honor the Alien Spirits. - An Outcast rumor