Armando Albarillo, secretary-general of Bagong Alyansang Makabayan (Bayan or New Patriotic Alliance)-Southern Tagalog and signatory to the 2008 impeachment complaint against President Gloria Macapagal-Arroyo; Bayani Cambronero, eighth nominee and Southern Tagalog regional coordinator of Bayan Muna; Doris Cuario, secretary-general of Karapatan (Alliance for the Advancement of People’s Rights)-Southern Tagalog; Helen Asdolo, secretary-general of GABRIELA-Southern Tagalog, Luz Baculo, secretary-general of Pagkakaisa ng mga Manggagawa sa Timog Katagalugan (Pamantik or Unity of Workers in Southern Tagalog) and member of KMU’s National Council;
Ayon kay Hermie Marasigan, executive director ng Olalia-KMU, “lehitimong kasapi” si Arceta ng nasabing grupo. Inuugnay ng grupo ang pangyayari sa maigting na kampanya ng mga manggagawa laban sa malawakang tanggalan na nagaganap sa Timog Katagalugan.