supporter (n.)

• abettor
• acquaintance
• adherent
• admirer
• advocate
• aficionado
• aid
• almoner
• almsgiver
• alpenstock
• angel
• apologist
• appendage
• arm
• assignor
• assistant
• attendant
• back
• backbone
• backer
• backing
• bandeau
• bearer
• bestower
• bra
• brace
• bracer
• braces
• bracket
• brassiere
• brother
• buff
• buttress
• cane
• carrier
• cervix
• champion
• cohort
• conferrer
• confidant
• confidante
• consignor
• contributor
• corset
• courtier
• crook
• crutch
• defender
• dependence
• dependent
• devotee
• disciple
• donor
• endorser
• enthusiast
• exponent
• expounder
• familiar
• fan
• fellow
• flunky
• follower
• following
• friend
• fulcrum
• girdle
• giver
• grantor
• guard
• guy
• hanger
• hanger-on
• helper
• henchman
• intimate
• jock
• jockstrap
• lover
• mainstay
• maintainer
• mast
• neck
• neighbor
• paladin
• parasite
• partisan
• patron
• patroness
• philanthropist
• pickup
• presenter
• promoter
• prop
• proponent
• protagonist
• protector
• public
• pursuer
• reinforcement
• reinforcer
• reliance
• repository
• rest
• rigging
• satellite
• second
• seconder
• sectary
• settler
• shadow
• shoulder
• shroud
• sider
• spine
• sponsor
• sprit
• staff
• stalwart
• standby
• stave
• stay
• stick
• stiffener
• stooge
• strengthener
• subscriber
• successor
• support
• suspender
• sustainer
• sympathizer
• tail
• testate
• testator
• testatrix
• trainbearer
• upholder
• vindicator
• votary
• well-wisher