When looking for synonyms for the word "fraternizer," there are a few options available. One possible synonym is "mingle," meaning to mix or socialize with others. Another option is "socializer," indicating someone who enjoys being around other people. A third synonym could be "connector," referring to someone who brings people together. Additionally, "networker" and "mixer" could be other possible synonyms for "fraternizer." Each of these words indicates someone who enjoys being around others and building connections with them. Whether in a social or professional setting, the act of fraternizing can be an important part of building relationships and developing meaningful connections.