He was the leader of the Melanesian Progressive Party and was, until 2008, a member of the Vanuatu parliament from the island of Efate.

[4] Shortly after he was deposed on 13 April 2001, he was convicted on 2 charges of forging several million US dollars' worth of Vanuatu Government Guarantees and was sentenced in July 2002 to 3 years on each charge (to be served concurrently), but was pardoned in 2003 despite heavy opposition from Australia and New Zealand.

When the coalition government of Serge Vohor was sworn in on 29 July 2004, Sopé became Minister of Foreign Affairs.

[5] He lost that position in November 2004 after he spoke out against Vanuatu's attempts to establish diplomatic relations with Taiwan, reputedly due to his own dealings with the Chinese.

He returned to the cabinet in December 2004 when the government of Ham Lini took office, taking up the post of Minister of Agriculture, Forestry and Fisheries.