The act of apologizing is a crucial part of social interaction. However, instead of using the word "apologizer," which may sound awkward or unfamiliar, there are plenty of synonyms that can express the same sentiment. Some other words that can be used instead of apologizer are contrite, repentant, regretful, remorseful, or apologetic. Additionally, the phrase "offering an apology" can also be used as an alternative. It's important to choose the word that best fits the situation and tone of the apology, as different synonyms may have different nuances and emotional undertones. Ultimately, what's most important is to express genuine remorse and take responsibility for any wrongdoing.