To dream that you are an advocate for a cause implies your dependability and conviction towards your advantage and your faithfulness to your companions.

To dream that you are an advocate for a cause signifies your faithfulness and conviction towards your interest and your loyalty to your friends.

To dream that you advocate any cause, denotes that you will be faithful to your interests, and endeavor to deal honestly with the public, as your interests affect it, and be loyal to your promises to friends.