Maʻafu Tukuiʻaulahi
Siosaia Lausiʻi, but since his installation on 30 Oct 1997 with the noble title 10th Maʻafu, better known as Lord Maʻafu, is a Tongan politician, former military officer, and member of the Tongan nobility.
He enrolled in the Tonga Defence Services on 3 March 1975, and was commissioned "the same year to become Platoon Commander of the Tonga Royal Guards". He served as a commissioned officer, rising to the rank of Commanding Officer of Land Force in 2000, before serving as Private Secretary to King Taufaʻahau Tupou IV from 2001 to 2006.
He went into politics in 2008, elected to the Legislative Assembly as a Nobles' Representative for Tongatapu, receiving ten votes from fellow electors of the nobility in the general election in April. In July 2009, he was appointed Minister for the Environment and Climate Change in Prime Minister Feleti Sevele's Cabinet.
He retained his seat in the November 2010 general election, again receiving ten votes. He was then appointed Minister for Lands, Survey, Natural Resources, Environment and Climate Change in Prime Minister Lord Tuʻivakanō's Cabinet; legislation enacted in 2010 prescribed that only a Nobles' Representative could be appointed Minister for Lands.
Following the 2014 election he was reappointed as Minister of lands, becoming the only noble representative in the cabinet of ʻAkilisi Pōhiva. In February 2017 he was ostracised by Tonga's nobles for his participation in Cabinet. In September 2017 he was appointed Deputy Prime Minister. He returned to Cabinet following the DPFI's landslide in the 2017 election, but resigned in March 2018 after a dispute with Minister of Police Mateni Tapueluelu. He rejoined Cabinet in May with the same portfolios.
In October 2019 he was appointed Minister for Lands and Natural Resources and Minister for His Majesty’s Armed Forces in the cabinet of Pohiva Tuʻiʻonetoa.;National honours
;Foreign honours
