共きょう同どう創そう設せつ者しゃMeaningsNoun1. co-founderKanji used共together同same創to originate設set up者someoneComposed of共きょう同どうcooperation; collaboration; association; partnership; (acting in) unison; community; communal use; common possession; sharingNoun創そう設せつestablishment; founding; organization; organisationNoun者しゃperson; -erSuffix