Given the question: What type of details about jackey jackey can be gathered from the following bio? Bio: jackey jackey -lrb- aka jacky jacky -rrb- -lrb- 1833 -- 1854 -rrb- is the name by which galmahra -lrb- aka galmarra -rrb- , the aboriginal australian guide and companion to surveyor edmund kennedy was known . he survived edmund kennedy 's fatal 1848 expedition into cape york peninsula and was subsequently formally recognized for heroic deeds by the then colony of new south wales in words engraved on a solid silver breastplate or gorget which read as follows : the name '' jackey jackey '' since entered general australian plus aboriginal australian slang '' for whites it was a generic dismissive , denying blacks their individuality and hence their dignity . to blacks it meant a collaborator , the subservient native complicit in his own people 's dispossession .
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