I’m guessing they’re all droogs and the two helped a pal home
Droogs is a new word for me.
It means street gang member or friend.
I did notice all three looked to be about the same age.
They may have already known the drunk guy, and that he was mostly non-violent. I’ll bet actually tucking him into bed under pulled over blankets was her idea. “Let’s tuck the poor Bloke into bed, he’s bloody knackered!”