IPA: /ˈfɒləʊə/
KK: /ˈfɑloʊər/
A person who supports or admires someone or something, often by following their ideas or actions.
She has many followers on her social media account who enjoy her content.
Follower → It is formed from "follow" (from Old English *fōlgan*, meaning to go after or pursue) and "-er" (meaning a person who). A follower is a person who goes after or supports someone or something.
Think of someone who 'goes after' ('follow') another person — the '-er' just means a person. A follower is someone who supports or pursues another.