well wisher
/ˈwɛlˌwɪʃər/
noun
- A person who expresses or feels goodwill, support, or kind wishes toward someone, especially during a happy or difficult time.
- After the accident, well-wishers sent flowers and get-well messages to the hospital.
- The politician waved to the crowd of well-wishers gathered outside the building.
- The bride received cards and gifts from many well-wishers on her wedding day.