patron vs supporter

patron and supporter both are nouns.

Word	Noun	Adjective	Verb	Adverb
patron	Yes	No	No	No
supporter	Yes	No	No	No

As nouns, patron and supporter are synonyms defined as:

Other synonyms of patron include sponsor.

patron (noun)	supporter (noun)
a regular customer	a band (usually elastic) worn around the leg to hold up a stocking (or around the arm to hold up a sleeve)
someone who supports or champions something	a support for the genitals worn by men engaging in strenuous exercise
the proprietor of an inn	a person who backs a politician or a team etc.
	a person who contributes to the fulfillment of a need or furtherance of an effort or purpose
	someone who supports or champions something