Master
What the title Master means in BDSM, its place in Master/slave dynamics, and how it differs from Dom and Daddy.
What a Master is
Master is a title for a Dominant, most often one who holds a formal, ongoing position of authority in a Master/slave (M/s) dynamic. It implies ownership in the consensual sense: a slave has given themselves into a Master's keeping, and the Master has accepted the responsibility that comes with it.
Also used: Sir, Owner, Lord, My Lord, or Him. Master is gender-neutral in some communities and masculine in others; women who hold the role often use Mistress, though some prefer Master. Sanctum lists both as roles.
Master versus Dom
The words sit on a spectrum of formality and depth. In common usage:
- Dom describes a role: someone who dominates. It fits scene-based play, casual dynamics, and committed ones alike.
- Master describes a relationship: the Dominant half of an M/s structure, usually a committed, often 24/7 arrangement with a significant degree of control.
- Daddy describes a style: nurturing, protective dominance, often with a caretaking focus.
A Master is nearly always a Dom. A Dom is not necessarily a Master. The title usually implies a specific slave or slaves who use it, and many Masters would not expect it from anyone else.
What the role involves
Mastery is about stewardship as much as command. In an M/s dynamic, the Master takes on broad authority over a slave's life, as negotiated, and in exchange accepts responsibility for the slave's wellbeing, development, and safety. The breadth of that authority makes the responsibility heavier, not lighter.
In practice, a Master's work includes:
- Setting and maintaining the structure the slave lives within: rules, protocols, expectations.
- Making decisions the slave has handed over, thoughtfully and in the slave's interest as well as their own.
- Watching for the slave's physical and emotional state, and adjusting.
- Holding the long view: where the dynamic is going, what the slave is becoming, whether the arrangement still serves both people.
- Remaining accountable. Authority in M/s is extensive, which is exactly why a Master's willingness to hear "this is not working" matters so much.
The word Master is sometimes avoided by people uncomfortable with its historical associations, and that discomfort deserves respect. Within kink, the term refers to a consensual, revocable arrangement between adults who are equals outside the dynamic.
Etiquette
As with Mistress, the title is not a default. Call a Dominant Master only if he has invited it or if you are in a dynamic where it has been agreed. In public and online, a name or Sir, where welcome, is the respectful choice. Assuming the title for a stranger tends to read as role-play imposed on someone who did not sign up for it.
Written by Sanctum. For adults 18 and over. This is community education, not medical, legal or professional advice. Last updated November 1, 2026.