Hagai stood unsuccessfully for Rakahanga at the 2010 Cook Islands general election.
[2] In 2016 he was part of the Cook Islands' delegation to the 2016 United Nations Climate Change Conference in Marrakech, Morocco.
[5] while awaiting the outcome of the electoral petition against him Hagai had been elected Deputy speaker; he was replaced by Tai Tupa.
[6] In early 2019 Prime Minister Henry Puna planned to install Hagai as a seventh, unelected, Cabinet Minister,[7] but the appointment was delayed due to the police investigation into his electoral bribery.
[8] In June 2019 it was reported that Hagai was occupying a government house in Rarotonga earmarked for low-income families and outer-island MPs.