Vous avez cherché: multiplier (Anglais - Swahili)

and allah is the multiplier of rewards, knowing
na mwenyezi mungu ndiye mwenye kupokea shukrani na ndiye mwenye kujua.

that he may pay them back fully their rewards and give them more out of his grace: surely he is forgiving, multiplier of rewards.
ili yeye awalipe ujira wao kwa ukamilifu, na awazidishie kutokana na fadhila zake. hakika yeye ni mwenye kusamehe mwenye shukrani.

if you set apart for allah a goodly portion, he will double it for you and forgive you; and allah is the multiplier (of rewards), forbearing,
mkimkopesha mwenyezi mungu mkopo mzuri, atakuzidishieni mardufu, na atakusameheni. na mwenyezi mungu ni mwingi wa shukra, mpole.

and they shall say: (all) praise is due to allah, who has made grief to depart from us; most surely our lord is forgiving, multiplier of rewards,
na watasema: alhamdulillahi, sifa njema zote ni za mwenyezi mungu aliye tuondolea huzuni zote. hakika mola wetu mlezi bila ya shaka ni mwenye kusamehe, mwenye shukrani.