also: オピニオン・リーダー
opinion leader
A person whose views influence others, especially in media, marketing, or politics. A direct loanword from English.
He is a well-known opinion leader on social media.
Cooperation from opinion leaders is essential for promoting new products.
He is known as an opinion leader in the industry.
She became an opinion leader through social media.
He speaks out and shares his views as an opinion leader.