[5] From January 2011 until his retirement he was a parish minister at the Vaialofa Vaiaku Church on Funafuti.
[6] Following his retirement, as a parish minister, on 28 September 2020, he established the first private newspaper to operate in the country – Tuvalu Paradise News - and was editor of the print newspaper and website.
[7] The Tuvalu Paradise News was published until Tausi was appointed as a member of parliament.
In February 2024, Tausi began the publication of a newsletter under the title Island of Hope.
[8] He has been appointed to a number of Tuvaluan government and non-government organisations, including: Tuvalu Association of Non Government Organizations (TANGO),[9] the Tuvalu National Private Sector Organisation (TNPSO),[10] and prior to his election as a member of parliament he was the chairman of the Tuvalu Broadcasting Corporation (TVBC) board of directors.