Some clarification on some terms because I noticed in some websites' online forums that some males do not understand what a submissive, slave, and service is. So I will explain for everyone's education:
Service = any act performed for a Dominant by a submissive that expresses respect, honor, gratitude, usefulness or submission.
Servitude = refers to performing personal tasks for their dominant partner, as part of their submissive role in a BDSM relationship.

A submissive = someone who is or has a desire to be submissive to another person, or chooses a submissive role within a relationship. They relinquish control to the other person and want to please them, be useful, help make them smile, and they obey. But they may have some "hard limits" on a few things that they would not do and they have communicated them to their dominant before entering into the consensual relationship.
A slave = someone who has a submissive desire and has entered into a relationship with a dominant personality and has grown in the relationship to a degree of trust and communication, that they feel comfortable giving 100% of their trust to the dominant person. They trust that the dominant partner will not harm them so they offer up their limits, or safeword (if they had them), as no longer needed, they have complete and unwavering trust in their dominant partner so they offer up their bodies and soul as property to the dominant partner. NO limits.
Being a submissive or slave means submitting to another person's needs and desires.
A person who is listed as a "kinkster" or "fetishist" is not a
submissive or slave because they are usually focused on just fulfilling their kinks
or fetishes. They are not about the other person and about trusting and
really surrendering control to the dominant. They are usually more
focused on their own selfish pursuit of gratification.
Female dominance:
As
described by Club FEM (which is an organization for dominant females
and submissive males), "To some Women, being dominant means having a man
at Her service for such things as house cleaning, massages,
manicures/pedicures, etc. To other Women, dungeon scenes using BDSM
equipment such as whips, paddles, canes and ropes are their ways to
enjoy Female domination...It is important for potential new members to
realize these differences and understand that Dommes may choose one or a
combination of both to achieve fulfillment."
Before going into
a relationship with another person you should communicate well about
who you are. And of course know yourself first.
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Also, some people do not know the difference between a crossdresser, a transsexual and a transgendered person. So here is some clarification on those:
"A person who dresses in clothing worn by members of the opposite sex."
(Synonym: transvestite)
A transgender person is a person who feels they are really the opposite gender mentally inside. Most feel like they were born as the wrong gender.
"A person whose gender does not correspond to that person's biological sex assigned at birth."
A transsexual is a person who had had surgery to look like the other sex.
"A person who has undergone hormone treatment and surgery to attain the physical characteristics of the opposite sex."
(Source of all official definitions shown in the 3 quotes: Dictionary.com )