At age 29, Seleman Yusuph Kitenge is a veteran of a decade of campaigning on youth development, peace and security.
Find out more about the top One Young World Ambassador projects this month
Nina Forgwe fights radicalisation of children by terrorist group Boko Haram through peace education and training.
Today marks the six-year anniversary of the Syrian conflict. Ambassador Shahm Maskoun, a Syrian refugee now living in France, shares his story.