IDIOMS

do someone proud

(idiomatic) To cause someone to feel pride, admiration, or satisfaction.

Example: 1867, Anthony Trollope, The Last Chronicle of Barset, ch. 75,
  He very politely assured her that she would ‘do him proud’, whenever she might please to call at Hook Court.
1913, Jack London, The Valley of the Moon, ch. 7,
  "Well, honest to God, it does me proud to meet you," he blurted out. "Shake hands."
2008, "Calderwood praises character," www.sportinglife.com (UK), 13 May (retrieved 18 Jun. 2008),
  I was absolutely delighted with the way we competed and the players did me proud.