He does not, I think, content himself with such information as to the management of the company's affairs as he is entitled to as shareholder, but ensures that he is represented on the board. He may be prepared to run the business himself as managing director or, at least, to become a non-executive director while having the business managed by someone else.
He does not confine himself to the information granted him as a shareholder regarding the company's operations; instead, he ensures his representation on the board. He might choose to manage the business personally or become a non-executive director while allowing others to run it.