What is the connotation of calling someone "Kozaru Shichinosuke"? What is the meaning of calling someone "Kozaru Shichinosuke". I know it's the title of a kabuki play and the name of the hero, however what's the linguistic connotation here? Is it a phrase used in common language now? Or is it limited to people knowing the play? * * * The situation is: person A helped person B (brought forgotten thing) and person B responds with . Person B is very old fashioned, person A is not particularly happy with the response.

I don't think is known to most Japanese people. Judging from the plot, I felt a negative word ("opportunist") would describe his character. But I don't know if it fits the context.