Wordnet 3.0
NOUN (1)
1.
someone who shares your feelings or opinions and hopes that you will be successful;
[syn: sympathizer, sympathiser, well-wisher]
The Collaborative International Dictionary of English v.0.48:
Wellwisher \Well"wish`er\, n.
One who wishes another well; one who is benevolently or
friendlily inclined.
[1913 Webster]
WordNet (r) 3.0 (2006):
well-wisher
n 1: someone who shares your feelings or opinions and hopes that
you will be successful [syn: sympathizer, sympathiser,
well-wisher]