When the Government is not sending people to kill him, they are paying people to lie on him, says Opposition leader Dr Keith Rowley.
He did not elaborate on the last part of the statement.
His charge came in the midst of allegations by former Express journalist Anika Gumbs that he made inappropriate statements to her at three meetings she had with him in January and April this year at his home and Port-of-Spain office.
She alleged in one meeting at his home he was bareback and asked her if she would like him to be her bodyguard outside her bedroom door.
He also allegedly touched her back and asked about a tattoo she had there and in another meeting told her she was looking rosy, she said.
Rowley's charge that the Government was paying people to lie about him was made at the announcement of the PNM's two Tobago candidates, Shamfa Cudjoe and Ayanna Webster-Roy, in Market Square, Scarborough, last evening.
He was addressing a crowd of PNM supporters.
On the issue of the threat on his life, he said for the first time in his 30 years in politics he felt afraid for his life at a political meeting recently.
He said it is the first time an opposition leader is attacked so much by a government.
PNM PRO Faris Al-Rawi has claimed that there is confirmation of a paid hit on Rowley's life.
National Security Minister Carl Alfonso, however, has denied knowledge of this.
Alfonso said while the matter may have reached the Commissioner of Police the information has not been forwarded to him.
Rowley also responded to criticisms from other political parties in Tobago that the PNM selected "two little girls" as candidates in the general election.
He described them as "stout and strong lieutenants" who will win Tobago East and Tobago West.
Rowley said no political party will be going into government without these two seats and told Tobagonians they will decide who wins. He also dismissed all other political parties contesting the two Tobago seats, barring the Hochoy Charles-led Platform of Truth, as "UNC parties."
The other two political entities are the Tobago Forwards, led by former Minister of Tobago Development, Delmond Baker, and the Tobago Organisation of the People (TOP).
Baker broke away from the TOP and formed the Tobago Forwards.
The TOP, part of the People's Partnership coalition government, is led by Ashworth Jack. Rowley's charge was supported by Webster-Roy, the PNM's Tobago East candidate, in her address.
She warned Tobagonians that all political parties campaigning in the island, apart from the PNM, are agents of the UNC.
Whatever their symbol, jersey colour, whoever they say is funding their campaign and how independent they say they are, they are all UNC agents, she said.
Webster-Roy said she can say that without fear of contradiction.
Tobago Chief Secretary, Orville London also endorsed the claims.
He said the UNC is marketing itself in Trinidad under "Kamla" and in Tobago under the Tobago Forwards and the TOP.
"You've got to see behind the subterfuge," he said in his address.
Rowley spent a large part of his speech listing his plans for T&T as a whole.
As for Tobago, he promised as soon as he is prime minister, he will put the necessary legislative arrangements in place to ensure Tobago is given maximum autonomy in managing its own affairs while remaining a part of the state of T&T.
Giving an example of how he will cut out corruption and waste, he said as soon as he gets in government, he will instruct his attorney general to discontinue the Government's appeal of the case involving former Strategic Services Agency member Nigel Clement.
Clement won the case for wrongful dismissal. Rowley said to save money being paid to lawyers he will withdraw the State's appeal and let the parties settle the matter out of court.
As for the UNC's email and telephone campaign, he said the party was "provoking" citizens.
Answering the question of how the UNC got people's cell phone numbers and e-mail addresses, he claimed the same people they were paying millions to develop the National Health Card were the same ones running the campaign.