the ones who give willingly
Those who slander such of the believers as give themselves freely to (deeds of) charity, as well as such as can find nothing to give except the fruits of their labour,- and throw ridicule on them,- Allah will throw back their ridicule on them: and they shall have a grievous penalty.
信士中有人慷慨捐献,有人(因为贫穷)只能出力,对于嘲笑他们的伪信者,真主将以嘲笑的刑罚报答他们。