well-wisher

noun3

1. •
   Someone who extends good wishes, or expresses sympathy, to someone else.

   • [T]he actual traytor or rebel is guilty of perjury in the eye of the lavv; the secret promoter, or vvell-vvisher of the cause, is so before the Tribunal of conscience. — 1716
2. •
   (rare) Someone who makes a wish at a wishing well.

   • They strolled on and passed a smiling man standing by the Village wishing well. "Well," said the well-wisher. Ah … must be the Village idiot. — 2008
3. •
   (no longer used, rare) Followed by to: someone who has an ambition to be or become something.

   • I never saw your chancellor, nor his chaplain. The latter has a good deal of learning, and is a well wisher to be an author: your chancellor is an excellent man. — 1711