el Gurú

guru, expert

ɡ u ˈɾ u → gurú
noun · masculine Rare #48,908
guru, expert Often used for a person seen as an authority in a field (not necessarily religious).
SP: Ella es una gurú del marketing digital.
EN: She is a guru in digital marketing.

Tú eres Gurú.

You are a Guru.

— Kal Ho Naa Ho (2003)

Soy el Gurú de los tacos en la TV.

I'm the Taco Guru on TV.

— Control (2007)