Synonym of BENEFACTOR

Answer: Option C

Guardian : a person who protects or defends something.
Saint : a person acknowledged as holy or virtuous and regarded in Christian faith as being in heaven after death.
Patron : a person who gives financial or other support to a person, organization, or cause.
Friend : a person with whom one has a bond of mutual affection, typically one exclusive of sexual or family relations.
Benefactor : a person who gives money or other help to a person or cause.

Synonym of Benefactor is Patron