[4][5] He had previously served as chief executive of the Samoan airport authority, and won election with 795 votes, 165 more than his rival, the former minister of police.

[9] Like the other Tautua Samoa members, Lealailepule registered as an independent MP to avoid the constitutional requirement to contest a by-election on changing parties.

[25] As Associate Minister he accused the United Nations of promoting same-sex marriage[26] and called for bloggers critical of the government to be hunted down.

[29][30] On 31 January 2022 Lealailepule was suspended from parliament for 24 hours for making "misleading" public comments about a parliamentary investigation into the passage of the Land and Titles Bill and the Speaker's refusal to swear in MPs elected under the women's quota following the 2021 Samoan by-elections.

[31] On 23 March 2022 he was convicted alongside Tuila'epa Sa'ilele Malielegaoi of scandalising the court for his attacks on the judiciary during and following the 2021 Samoan constitutional crisis.