You should immediately break this cooperation cause it's gonna be worse with such sort of clients. And Upwork policy indirectly bolsters such clients actions with hypocritical slogan of protecting clients rights. Unfortunately there are many jerks middlemen on Upwork and they do well so far.
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
You should immediately break this cooperation cause it's gonna be worse with such sort of clients. And Upwork policy indirectly bolsters such clients actions with hypocritical slogan of protecting clients rights. Unfortunately there are many jerks middlemen on Upwork and they do well so far.