wingman
n. B2 Upper Intermediate US //ˈwɪŋmən// wing·man
n. a friend who helps you by being social or looking out for you in a situation. You use this when you want to feel more confident or have someone to talk to.
n. a companion who provides social support or assistance to another person in a specific context. Often used in informal or colloquial registers to describe a friend who helps with social interactions.
He is my best wingman when I go to parties.
I asked my brother to be my wingman for the first date so I wouldn't feel so nervous.
In many social circles, having a reliable wingman is considered essential for navigating high-stakes networking events where one might otherwise feel isolated.
From wing + -man.