do one's part

addition donation grant improvement increase input

alms augmentation benefaction beneficence bestowal charity handout present subscription supplement

a hand gifting helping hand significant addition tax write-off write-off

decrease loss subtraction

aid allowance appropriation assistance bequest charity contribution endowment grant handout help relief subscription subsidy

alms benefaction beneficence boon dole gratuity lump offering philanthropy pittance present presentation ration subvention

a hand gifting helping hand tax benefit tax write-off write-off

blockage hindrance hurt injury loss obstruction stop

bear the burden carry on carry one's weight carry through make go perform

award bequeath contribute devote give give away grant hand out present provide

accord bestow confer subscribe

ante up chip in dole out feed the kitty get in the act lay on pass the hat sweeten the pot

conceal keep refrain take withhold

disagree refuse

renege

back benefit bolster boost cooperate encourage further maintain promote push save serve stimulate support

abet accommodate advocate ballyhoo befriend cheer endorse hype intercede patronize plug prop puff relieve sanction second succor sustain uphold

be of use buck up do a favor do a service go to bat for go with lend a hand open doors root for see through stand by stick up for stump for take under one's wing work for

block condemn delay depress discourage dissuade halt harm hinder hurt impede neglect obstruct prevent refuse stop undermine

conceal disapprove frustrate hide ignore oppose protest

check counteract decrease injure worsen

ante up sign up

advocate buy consent donate endorse enroll give grant ink offer pledge promise register second set sign support

chip in come through make a deal pitch in put up signature

break deny disapprove discourage keep neglect oppose protest refuse reject renege take withhold

disagree