nelson mandela international day backdrop in colorful s and text in the center

font line text brand diagram presentation advertising logo cartoon document screenshot number circle banner signage label nelson mandela international day backdrop design colorful shapes center freedom equality peace human rights legacy activism south africa antiapartheid leader icon justice unity reconciliation compassion inspiration hero courage global celebration tribute dedication volunteerism service community change leadership visionary hope social empowerment philanthropy humanity impact nobel prize education liberation prisoner president nonviolence