Andrew Barton, from Oxfam, said: "All of Oxfam have been cheering Federer's progress for the past couple of weeks.
"The real hero, though, must be Mr Newlife, for his generous gift and his tremendous sporting acumen. It may inspire other people to support Oxfam and our West Africa appeal."
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The star, who was born and brought up in Hampshire said that "uncertainty" in the world had led him to take up a second European passport.
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