Yousafzai, who is the youngest victor of the Nobel Peace Prize, will now become the youngest to be named a United Nations Messenger of Peace.
Malala Yousafzai: I'm really honoured to be given this title of Messenger of Peace, and to me it is more responsibility, which I have already had, which I was already taking, for girls' education - raising awareness, asking world leaders to invest more in education.
Wearing a light pink headscarf, Malala said she was honored to be the Messenger of Peace.
She said fathers and brothers equally have a role in promoting girls' education.
Yousafzai, who was shot in 2012 by the Taliban for attending classes, is the youngest-ever UN Messenger of Peace and the first one to be designated by Guterres since he assumed office in January this year.
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She said her father always told people not to ask him what he did for Malala, 'but ask what I didn't do? And I stand here today and say the same thing: education is the right of every child'. "Human Rights Watch's March 2017 report, "'Dreams Turned into Nightmares': "Attacks on Students, Teachers, and Schools in Pakistan", documents militant violence that has disrupted the education of hundreds of thousands of children, particularly girls.
Pakistan's Ambassador and Permanent Representative to the United Nations Dr. Maleeha Lodhi terming Malala, "an icon of courage and resistance", said that she "epitomizes the courage and resilience" of the people of Pakistan who have long defied the odds to overcome the challenges that have confronted the country. The then-15-year-old was targeted because she advocated for the right of girls to go to school.
"You need to stand up. you need to believe in yourselves".
Yousafzai has become a regular speaker on the global stage and visited refugee camps in Rwanda and Kenya last July to highlight the plight of refugee girls from Burundi and Somalia.
Through the Malala Fund, I will continue to focus on girls' secondary education and inspire more young girls like me to speak out and stand with me so we can amplify the voices of young girls.
Canadian Prime Minister Justin Trudeau praised Ms Yousafzai for her advocacy, calling her "the newest and possibly bravest citizen of Canada".
Yousafzai became renowned in 2012, after being shot in the head by the Taliban on her way home from school.
Threats to education in Pakistan were spotlighted again by the attack on the Army Public School in Peshawar in December 2014 that left 145 people dead, majority children.
Yousafzai joins the ranks of other U.N. Messengers of Peace, including actors Michael Douglas (disarmament) and Leonardo DiCaprio (climate change), and musician Stevie Wonder (persons with disabilities).