There are a variety of synonyms for the word "prizer". Some possible synonyms include: awarder, honorer, winner, victor, champion, recipient, laureate, medalist, and trophy-winner. These words all convey the idea of someone who has received recognition or a reward for their accomplishments. Depending on the context, other related words could also be used to describe a prizer, such as leader, achiever, top performer, or standout. Ultimately, the choice of which synonym to use will depend on the tone and purpose of the writing, as well as the specific nuances of the word being replaced.