The 33-year-old royal - who will marry the former 'Suits' star next month - has been appointed a Commonwealth Youth Ambassador by his grandmother Queen Elizabeth and has vowed that he and his bride-to-be will do all they can to use his new role to support his family.
Speaking at the Commonwealth Heads of Government Meeting (CHOGM) Youth Forum on Monday (16.04.18), he said: ''In my new role, I will work to support the Queen, my father the Prince of Wales, and my brother William, all of whom know that young people are the answer to the challenges of today.
''I am also incredibly grateful that the woman I am about to marry, Meghan, will be joining me in this work, of which she too is hugely excited to take part in.''
Harry - who is expected to tour the Commonwealth with Meghan, 36, after their wedding - went on to praise the current generation of ''young adults'' and how they are ''connected'' with others.
He said: ''As I travel around the Commonwealth in my work on behalf of the Royal Family, it is striking to see just how different today's generation of young adults are.
''You are connected. You have made positive use of technology to build relationships within your communities, nations and across the globe.
''You care. You want your nations to be cleaner, your planet to be greener, your friends and neighbours to be treated fairly and with respect, no matter their ethnicity, their religion, or their status.''
Harry vowed to take inspiration from his grandmother, and reflected on her famous 1947 speech, when she pledged her life to the Commonwealth.
He said: On the day of her 21st birthday, the then Princess Elizabeth gave an extraordinary radio address from Cape Town.
''With an eye on the future, and an already unflinching sense of duty, she made a commitment. She said that whether her life be long or short, it would be dedicated to the service of the people of the Commonwealth.
''All of us here today can be grateful that it is a long life the Queen is still enjoying. Her Majesty's commitment has meant that the Commonwealth is a thriving family of nations, a common link between nearly two-and-a-half billion people, and a defender of democracy, justice and peace.''
In his role as Commonwealth Youth Ambassador, Harry will create links between young people and youth leaders and urge them to address the social, economic and environmental challenges they face using Commonwealth platforms.
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