Mina Rafiq, a human rights activist, appeared with a placard on the sidelines of the Oslo meeting in front of political figures and Taliban members.
The placard read, "No to the Taliban, no to terrorists, and no to their supporters."
Several Taliban members and political figures have been engaged in discussions regarding Afghanistan in Oslo since Tuesday, May 14.
Omar Samad, former Afghan ambassador to Canada; Jafar Mahdavi, former Afghan parliament member; Faizullah Zaland, a professor at Kabul University; Karim Amin, a senior member of the Hezb-e Islami party led by Gulbuddin Hekmatyar; and Qayyum Sajjadi, former Afghan parliament member, are among the Afghan political activists and Taliban supporters present at the meeting.
In addition, Nazar Mohammad Mutmaeen, a Taliban member who previously served as the head of the National Olympic Committee in Kabul, and Faiz Mohammad Usmani, who was the Minister of Hajj and Religious Affairs in the previous government, are also in attendance.