She'd never heard him call the Master by her first name.

"I use a lot of names, but you can just call me the Master."

I want to see him, the one you call 'Master'.

Says recent powers used to belong to one he called master.

He was called the "Master", in honor of his skills.

She was damned if she'd call him Master, speaking like that.

They would die, a few at a time, in the name of the faceless god he once had called master.

Did she need to be called master to be one?

At some point he taught in the schools, where he was called "master" for his learning.

The top is then often called the Master or Mistress.