Synonyms for Do one's part:

• n.

  •contribution (noun)
  • benefaction,
  • improvement,
  • alms,
  • supplement,
  • increase,
  • donation,
  • bestowal,
  • present,
  • addition,
  • helping hand,
  • charity,
  • beneficence,
  • augmentation,
  • grant,
  • handout.
  •donation (noun)
  • offering,
  • pittance,
  • gratuity,
  • ration,
  • bequest,
  • endowment,
  • philanthropy,
  • presentation,
  • boon,
  • assistance,
  • lump,
  • appropriation,
  • allowance,
  • aid,
  • subvention,
  • subsidy,
  • relief,
  • dole.

• v.

  •carry the ball (verb)
  • carry on,
  • perform.
  •donate (verb)
  • bestow,
  • confer,
  • award,
  • chip in,
  • bequeath,
  • accord,
  • dole out,
  • give away,
  • contribute,
  • devote,
  • provide,
  • give,
  • hand out.
  •help (verb)
  • bolster,
  • sanction,
  • abet,
  • plug,
  • promote,
  • befriend,
  • uphold,
  • encourage,
  • relieve,
  • hype,
  • cooperate,
  • back,
  • serve,
  • intercede,
  • push,
  • patronize,
  • sustain,
  • open doors,
  • further,
  • endorse,
  • maintain,
  • save,
  • benefit,
  • cheer,
  • support,
  • advocate,
  • accommodate,
  • boost,
  • ballyhoo,
  • prop,
  • second,
  • go to bat for,
  • puff,
  • stimulate,
  • succor,
  • buck up.
  •subscribe (verb)
  • consent,
  • put up,
  • offer,
  • register,
  • pledge,
  • promise,
  • set,
  • enroll,
  • signature,
  • buy,
  • come through,
  • sign.

• Other synonyms:

  •Other relevant words:
  • fill the bill,
  • be suitable,
  • be used useful,
  • be of advantage,
  • act,
  • be advantageous,
  • do something,
  • do justice to,
  • be of useful,
  • carry out,
  • be available,
  • be adequate,
  • be used use,
  • be obedient,
  • be sufficient,
  • be serviceable,
  • finger.

Antonyms for Do one's part:

• n.

  • contribution
    loss, subtraction, decrease.
  • donation
    hindrance, obstruction, stop, blockage, hurt, injury.

• v.

  • donate
    disagree, keep, refuse, conceal, withhold, refrain, take, renege.
  • help
    check, block, counteract, dissuade, disapprove, protest, obstruct, condemn, handicap, ignore, injure, harm, prevent, impede, oppose, hide, hinder, delay, halt, discourage, neglect, worsen, frustrate, depress, undermine.
  • subscribe
    deny, reject, break.