Proponent vs. Sponsor — What's the Difference?

One who argues in support of something; an advocate.

A person or organization that pays for or contributes to the costs involved in staging a sporting or artistic event in return for advertising

One who supports something; an advocate

A person who introduces and supports a proposal for legislation

One who makes a proposal or proposition.

Provide funds for (a project or activity or the person carrying it out)

(legal) One who propounds a will for probate.

Introduce and support (a proposal) in a legislative assembly

Making proposals; proposing.

One who assumes responsibility for another person or a group during a period of instruction, apprenticeship, or probation.

Making proposals; proposing.

One who vouches for the suitability of a candidate for admission, as to an organization.

One who makes a proposal, or lays down a proposition.

A legislator who proposes and urges adoption of a bill.

The propounder of a thing.

(Christianity) One who presents a candidate for baptism or confirmation; a godparent.

A person who pleads for a cause or propounds an idea

One that finances a project, event, or organization directed by another person or group, such as a business enterprise that pays for radio or television programming in return for advertising time.

To act as a sponsor for.

A person or organisation with some sort of responsibility for another person or organisation, especially where the responsibility has a religious, legal, or financial aspect.

A senior member of a twelve step or similar program assigned to a guide a new initiate and form a partnership with him.

One that pays all or part of the cost of an event, a publication, or a media program, usually in exchange for advertising time.

(transitive) To be a sponsor for.

One who binds himself to answer for another, and is responsible for his default; a surety.

One who at the baptism of an infant professes the Christian faith in its name, and guarantees its religious education; a godfather or godmother.

A person who vouches for another as fit for some post or task; as, one needs two sponsors to be considered for membership.

A person or group that assumes financial responsibility for some activity, and may or may not participate in its organization and execution.

A person or organization, usually a commercial organization, which pays the cost of an activity, such as a radio or television broadcast, and in return is given the right to advertise itself or its products as part of the activity; as, now a word from our sponsor.

Someone who supports or champions something

An advocate who presents a person (as for an award or a degree or an introduction etc.)

Assume sponsorship of

Assume responsibility for or leadership of;

Do one's shopping at; do business with; be a customer or client of