I believe that in the 17th century sappers were those who specialized iun digging under, and/or blowing up, enemy revetments, and were not the normal infantry business who marched around shooting at other bipeds from whom they had carefully distanced themselves psycho;ogically....

The Zulu Warrior was recorded by Josef Marais and Mirandas, the South African songsters, back in the Fifities, I think. I am sure the tune found lots of opportunities for variant words, being a basic four-four beat with a simple tune.

A