The definition of a shareholder is a person who owns shares in a company.
Someone who owns stock in Apple is an example of a shareholder.
a person who holds or owns a share or shares, esp. in a corporation
One that owns a share or shares of a company or investment fund. Also called shareowner.
shareholder - Legal Definition
A person who owns one or more shares of stock in a joint-stock company or a corporation. Synonymous with stockholder.