wingman

A pilot partner of another; a pilot who flies in the same wing or squadron.

A friend who accompanies one to offer (or receive) support, especially in flirting with love interests.

A player positioned on the wing.

To act as a wingman for (someone); to accompany in order to provide support.

So Amir wingmanned me to Boots on my Johnny-bags buying mission.

They wingmanned for each other, and if they didn't have any luck, they'd screw each other.