well-wisher

Definitions of well-wisher
1

n someone who shares your feelings or opinions and hopes that you will be successful

Synonyms:
sympathiser, sympathizer
Types:
bleeding heart
someone who is excessively sympathetic toward those who claim to be exploited or underprivileged
fellow traveler, fellow traveller
a communist sympathizer (but not a member of the Communist Party)
Type of:
admirer, booster, champion, friend, protagonist, supporter
a person who backs a politician or a team etc.

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