Definitions for upholder
Random House Webster's College Dictionary
to support or defend, as against opposition or criticism.
to keep up or keep from sinking; support.
to lift upward; raise.
Origin of uphold:
upholder, maintainer, sustainer(noun)
someone who upholds or maintains
"firm upholders of tradition"; "they are sustainers of the idea of democracy"
someone who upholds something
a dealer in secondhand furniture and clothes; an upholdster
a broker or auctioneer; a tradesman
an undertaker, or provider for funerals
one who, or that which, upholds; a supporter; a defender; a sustainer