Maecenas
Santa Claus
almoner
almsgiver
angel
approver
assignor
awarder
backer
bestower
certifier
cheerful giver
conferrer
confirmer
consignor
contributor
cosignatory
cosigner
donator
donor
endorser
fairy godmother
feoffor
financer
funder
giver
grantor
guarantor
imparter
insurer
lady bountiful
notary
notary public
party
patron
patroness
philanthropist
presenter
ratifier
settler
signatory
sugar daddy
supporter
testate
testator
testatrix
underwriter
upholder
vouchsafer
admirer
booster
champion
client
customer
friend
protagonist
advertiser
authentication
broadcaster
buyer
consumer
coverage
earnings
employee
listing
membership
operator
participant
provider
publisher
revenue
sponsor
subscription
user
voter
Schreiber
Tiber
cyber
fiber
fibre
prescriber
scriber
transcriber