"Miss Heliotrope Willis, leader of the Troll Rights Movement, spoke defiantly through Lawless’s abandoned megaphone of the trolls’ essentially peace-loving nature."
-- meeting report appearing in the Daily Prophet (DP2)
A pressure group campaigning for greater rights for trolls in the wizarding world (DP2)
The spokesperson for this group is Heliotrope Willis. The movement extols trolls' placid good nature and emphasises the valuable services they provide to wizards by providing protection. This view is vehemently opposed by Artemius Lawson, who campaigns for the suppression of trolls (DP2)
While the date printed on DP2 is 8 February 1999, the timeframe for these events is 1992-1993.