Mashpia
Mashpia (Hebrew: משפיע) or feminine Mashpi'oh lit. "person of influence", pl. Mashpi'im (Hebrew: משפיעים) is the title of a rabbi who serves as a spiritual mentor in a Hasidic Jewish yeshiva.
This title is also used in Breslov Hasidic movements, who have no rebbe. Previously, those holding this position were referred to as "community rabbis".
The related Hebrew word "mashpian" refers to an "influencer" such as a celebrity or social media promoter.