Dressed in the Advent colours of purple and black, Jane Keogh is "standing, sitting and walking in front of Parliament House" for the 26 days leading up to Christmas.
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The Canberra nun's gentle actions are a way of showing solidarity with asylum seekers and refugees on Nauru and Manus Island as well as in Australia.
Sister Jane said she was also representing the "hundreds of thousands" of people across the nation "who feel shame and anger about our treatment of refugees and want the cruelty to end".
On Thursday, December 10, which was Human Rights Day, her prominent banner seemed like a beacon of hope in a world that is far from peaceful.
"There are children who have spent their whole lives imprisoned, surrounded by hopelessness and suffering, women who are abused, fathers separated from their families, young men who have spent five years locked up with nothing to do but worry," Sister Jane said.
"They cry out to us for help and we turn our backs."
Sister Jane is foregoing "the little luxuries of life" she enjoys in her Downer retirement village home, in a bid to draw attention to their plight.
The 70-year-old Brigidine nun, who has never camped before, found pitching the tent "such a task" for the first few nights.
She said she was "really very touched" when she was granted shelter in the Aboriginal Tent Embassy.
Without the sanctuary offered by the residents, she would not be allowed to stay in the Parliamentary Triangle.
"This is an opportunity to get to know them better and to understand their causes," Sister Jane said.
"They have a real sense of direction and purpose."
As a Roman Catholic Brigidine nun, Sister Jane believes in showing her support for those who are oppressed and she strives to build an inclusive community.
"I'm doing this for my own humanity," Sister Jane said.
"I'm also expressing my grief."
She has been committed to finding justice for refugees and asylum seekers for the past 14 years.
In November 2014, she attracted media attention as the "supernun", one of five arrested during a peaceful vigil protesting against children in detention.
"It's not good if Australia is allowed to become a cruel and inhumane place," she said.
Sister Jane invites all people to join her in silent prayer, a walk around the lake or an overnight stay.
Visit http://sisterjaneseeksasylum.wordpress.com for her updates and reflections.