What does "well-wisher" mean?

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

What is a synonym for "well-wisher"?

Common synonyms include: abettor, acquaintance, admirer, advocate, aficionado, alter ego.

Pronounced //ˈwɛlˌwɪʃə//.

//ˈwɛlˌwɪʃə// noun

noun ·Moderate ·College level

Noun

1
Someone who extends good wishes, or expresses sympathy, to someone else.
"[T]hose honest gentlemen that are always exposed to the wit and raillery of their well-wishers and companions; that are pelted by men, women, and children, friends and foes, and in a word, stand as butts in conversation, for every one to shoot at that pleases."
2
Someone who makes a wish at a wishing well. nonce-word, rare
"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."
3
someone who shares your feelings or opinions and hopes that you will be successful wordnet
4
Followed by to: someone who has an ambition to be or become something. obsolete, rare
"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."