The Collaborative International Dictionary
Fraternizer
Fraternizer \Frat"er*ni`zer\ (?; 277), n.
One who fraternizes.
--Burke.
Wiktionary
fraternizer
n. A person who fraternizes
Usage examples of "fraternizer".
The look she gave him, although full of hopelessness, had nevertheless a little core of personal anger in it for him, a fraternizer with the aliens.