Was thinking that too when I saw this-to answer briefly, a Ronin is someone who trains and reps the system but currently does not have a 10th Planet moon or hotbox to train at so their learning occurs via the MTS, dvds, books, and whomever else he/she can drill on. often they still visit or train at an MMA/jitsu gym, but the instructor and fellow students generally are aware his/her loyalties lie with the System first.
The term Ronin comes from when the Samurai's master would die/get killed, the surviving saumrai's would often become mercenaries or simply roam and learn on their own (there was a Robert Deniro movie named Ronin too).
I for one am a Ronin (although working on getting a hotbox or possible moon started in Boston area with a couple others), and there are several others spread throughout the U.S.
Hope that helps.....feel free to chime in if I've missed anything.
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