共きょう同どう創そう業ぎょう者しゃMeaningsNoun1. co-founderKanji used共together同same創to originate業business者someoneComposed of共きょう同どうcooperation; collaboration; association; partnership; (acting in) unison; community; communal use; common possession; sharingNoun創そう業ぎょうestablishment (of a business); foundingNoun者しゃperson; -erSuffix