
When King Robb left
Harrenhal, his mother was his PRISONER.
Game of Thrones Season 3, Episode 6

so long as you release
your PRISONER immediately.
Game of Thrones Season 2, Episode 4

I thought she was our PRISONER.
Game of Thrones Season 1, Episode 7

we've just surrendered
our most valuable PRISONER.
Game of Thrones Season 6, Episode 8

Edmure is a PRISONER of House Frey.
Game of Thrones Season 6, Episode 7