IPA: /ˈʃɛrˌhoʊldər/
KK: /ˈʃɛrˌhoʊldər/
A person or organization that owns shares in a company, which gives them a claim on part of the company's assets and earnings.
As a shareholder, she received dividends from the company's profits.
Shareholder → It is formed from "share" (from Old English *scearu*, meaning a portion or division) and "holder" (from Old English *holdan*, meaning to keep or possess). A shareholder is someone who possesses a portion of a company or corporation.
Think of someone who 'possesses' ('holder') a 'portion' ('share') of a company — that's what a shareholder is.