The prime minister, Anthony Albanese , offered the One Nation MP David Farley an additional staff member in what the party has called an “unsolicited” move, made in an attempt to win over the new politician using taxpayer funds.

In a statement posted on social media, Pauline Hanson claimed the move, which would cost taxpayers as much as $200,000 in additional salary, was an attempt to “exert undue political influence” over politicians.

She said the offer was received outside an existing request by One Nation for additional staffers.

“David did not request this allocation of staff.…