Assist

Munificent

Adj; (of a gift or sum of money) larger or more generous than is usual or necessary

Ancillary

Adj; providing support to the primary activities of an organization, institution, industry, or system.

Stalwart

Noun; a loyal, reliable,and hardworking supporter or participant in a team or organization

Mainstay

Noun; a person or thing on which something else is based or depends.

Proponent

Noun; a person who advocates a theory, proposal, or project

Sustenance

Noun; food and drink regarded as a source of strength or nourishment

Countenance

Noun; support

Espouse

Verb; adopt or support (a cause, belief or way of life)

Corroborate

Verb; confirm or give support to (a statement, theory, or finding).

Abet

Verb; encourage or assist someone in doing something wrong

Advocate

Verb; publicly recommend or support

Bolster

Verb; to support or strengthen