Australia's richest person has helped fund Northern Territory Senator Jacinta Nampijinpa Price's legal defence against a defamation claim brought by the head of the Central Land Council (CLC).

CLC chief executive Les Turner sued Senator Nampijinpa Price in the Federal Court in September last year after she issued a media release calling for his dismissal.

The release quoted then-CLC chair Matthew Palmer as saying the "majority of Central Land Council members showed their support for the dismissal of the CEO due to unprofessional conduct".

On Friday, Senator Nampijinpa Price updated her register of interests to reflect donations to the fund from hundreds of supporters between July 22 and September 5 this year — including from Gina Rinehart's company, Hancock Prospecting.

Senators are re

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