TV series example of the word

The Big Bang Theory Season 2, Episode 6
I see you got a grad student to fight your battles.

Game of Thrones Season 6, Episode 5
they need to believe it's a fight they can win.

Game of Thrones Season 6, Episode 8
So we'd fight and I'd put a hole in them.

Game of Thrones Season 4, Episode 3
but we're not willing to pay men to fight?

Game of Thrones Season 8, Episode 4
You've seen how they fight for her.