Congratulator is a word used to describe someone who gives congratulations. However, there are many different synonyms that can be used to describe someone who congratulates others. These synonyms include well-wisher, cheerer, supporter, encourager, ally, enthusiast, and affirmant. Each of these words can be used in different contexts and situations to describe someone who expresses their joy and admiration for someone else's achievements or success. Whether it is in the workplace, sports arena, or academic setting, using different synonyms for congratulator can add variety and nuance to your language and better capture the sentiments and emotions expressed when congratulating someone.