Definition of feather foot in English:

feather foot

noun

Australian
  • (among Aborigines) a man empowered to carry out vengeance or punishment; a kadaitcha.

    ‘the elders said the feather feet had taken him away’
    • ‘The feather-foot man's role is to keep the law and deal with those who have transgressed.’
    • ‘Central Desert aboriginal women have told him of “feather foot” spirits.’
    • ‘Them fellas down there might be feather-foot.’
    • ‘The Featherfoot features broadly in Aboriginal traditions as the commissioned revenge-killer.’
    • ‘The book is about a contemporary Aboriginal feather-foot.’

Origin

1960s: from the coverings of feathers which such people are said to wear in order to disguise their tracks.