What is "Advocacy Advertising" in marketing?

It's usually for non profits.

Agreed with all experts.

Advocacy advertising is concerned with the propagation of ideas and the elucidation of controversial social issues that are deemed important in public policy terms. It is commonly regarded as a subset of corporate or institutional advertising. However, it differs from corporate image advertising in several respects.

Advocacy advertising is considered to be undertaken in the interest of a group or the public, and typically does not promote a product or service. Funding for advocacy advertising can be through non-profit organizations, by corporations or private advocacy groups. 

Political and Advocacy Advertising Policies And Standards Of Acceptability Political Advertising Guidelines and Standards apply to all candidates running for any public position.

Advocacy advertising aims to promote non-profit organisations and their causes.

Is the VALUE of non-profit organization to support and help others, to know the benefits of their cause by promoting awareness of human interest, animal Rights, environment protection and etc. Through public speaking and ads.

These kind of Advertising campaign are generally done by NON GOVERNMENT ORGANIZATIONS.

The use of marketing used to support a particular message or cause. Unlike commercial advertising, advocacy advertising is considered to be undertaken in the interest of a group or the public, and typically does not promote a product or service. Funding for advocacy advertising can be through non-profit organizations, by corporations or private advocacy groups. Some governments require that organizations engaging in advocacy advertising clearly state how the funding is provided.

It is a marketing act that does not promote a product, but aims at promoting goup's or public interest. Usually, advocacy advertising are sponsored by non-profit organizations. An example of this type of advertising is the sponsoring of a cancer research by an organization in order to raise funds for their research. 

Advocacy advertising is a sort of CSR activity. Where companies pay to promote something or pass on message to public which has nothing to do with the company's product. For example: Breast cancer advertising run by companies, blood donation camps, etc..