Don't forget that just because he is a shareholder doesn't mean he has an automatic right to be a Director (or employee). Hold a vote of no confidence in his a

Don't forget that just because he is a shareholder doesn't mean he has an automatic right to be a Director (or employee). Hold a vote of no confidence in his abilities to add value to the company and fire him as a Director - you can't take away his shares though, unless you can convince him to sell. Your first and only duty is to the welfare of your company.