I gave up the idea that it might be a real character. To me it seems to be an archetype of that sort of man who "made it". He came from difficult conditions but his will and skills, his character and "the gleam of a hunter's eye helped him to reach what he has now.
The mango stands for a healthy life, he lives on one of the nicest places on Earth, paradise if you like, and is fully aware of what he reached and where he comes from: Complacent, like the cat that got the cream.
I think it's not automatically good songwriting by the way when so many people need so much time to crack the code of a song.
LE