Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun sympathizer
2 senses of sympathizer
Sense 1
sympathizer, sympathiser, comforter -- (commiserates with someone who has had misfortune)
=> communicator -- (a person who communicates with others)
Sense 2
sympathizer, sympathiser, well-wisher -- (someone who shares your feelings or opinions and hopes that you will be successful)
=> supporter, protagonist, champion, admirer, booster, friend -- (a person who backs a politician or a team etc.; "all their supporters came out for the game"; "they are friends of the library")