The Vanuatu government says deported a Australian lawyer, Robert Herd, had been playing a key role in the latest bid for a motion of no confidence in the prime minister.
That bid collapsed earlier this week.
Mr Herd, who is the principal of Herdlaw, was deported on Thursday.
Don Wiseman has more:
"The opposition says the move was illegal but the government says Mr Herd was one of a number with selfish interests and agendas, aiming to prey on the shortcomings of so-called leaders. The acting Prime Minister, Ham Lini, says Vanuatu does not welcome such people because they do not appreciate the hospitality of the country or respect its laws. Mr Lini says people like Mr Herd obviously do not care whether or not their actions compromise Vanuatu's future. He says the opposition would require more than the cunning efforts of people like Mr Herd to get back into government. The opposition has said the government could face claims for hundreds of millions of vatu for damages to Mr Herd's reputation."