Who is the principal ?
When you sign a mandate for sale or lease with a real estate agency as part of your project to sell or lease property that belongs to you, you become the principal.
More generally it will be said that it is the natural or legal person who confers a mandate of sale or lease and the property rights of which he is the sole owner at the prices, charges and conditions defined with a natural person or legal entity in order to represent him, called Then the attorney.