a big gun

a big gun/noise

(informal)

an important or powerful person in a group or organization She's a big gun in city politics.

Name	Pronounced	Usage
Lotus	LO-təs	English (Rare)
Yanka	-	Bulgarian
Emira	-	Bosnian
Keren	-	Hebrew
Rouben	-	Biblical Greek, Armenian
Alisher	-	Uzbek, Kazakh, Tajik