Regardless of what title you wish to use.
The path to that of being a kajira is one of self awarness and truth.
First you are free and curious and only really play at being a slave girl, eventually even submitting on occasion to the will of another or many as the whim may strike .
Then later, you start to actually feel as if it is right for you to be submissive and seek it out, craving the feeling it gives and find yourself submiting in more and more ways to a specific individuals will. If you are lucky mabey even falling deeply in love and this is where most of us stop.
Rarely but it can happen:
When the strength of the bond between a dominant and his submissive is great enough (strength of character etc not merely the physical) and the, respect, trust and devotion is tempered by a sence of disipline that grows with a love that knows no boundary...
....you start to submit not only to your Master, but to yourself as well. Any conflict you struggled with about your submission dies with this acceptance and what you thought was your submission before becomes somthing so strong the word love only begins to describe it, and the bond between you and he is made stronger than anything eaither of you could ever imagine...
It is then you learn what true joy and freedom lays in your utter surrender to another.
It is then that you wake up a slave at the feet of your Owner.