TV series example of the word

Vikings Season 1, Episode 2
SLAVE GIRL: Master.

Vikings Season 1, Episode 6
Because she will soon be reunited with her master in death,

Game of Thrones Season 4, Episode 10
With my master, I was a teacher.

Game of Thrones Season 6, Episode 4
Just because your master has silver hair and tits doesn't mean she's not a master.

Game of Thrones Season 5, Episode 5
Yes, master.