Lost among the swells of life - Its lost in the Giza plains (Rains) and we all know water is the essence of life
With you I chose a path - after returning it to the Sadeen he asks you to return it to his missus
A boon I give for use in strife - When you complete the Mark you get a reward
When I sit as sundry staff - not really sure about this one

I think its The Ring of the Toad