What is opposite of charity?

Selfishness, uncaring, even to the point of being unloving to those in need.

greed

Author Ayn Rand suggests that the motivation that is opposite of charity is Justice. She asserts that "It is morally proper to accept help, when it is offered, not as a moral duty, but as an act of good will and generosity, when the giver can afford it (i.e., when it does not involve self-sacrifice on his part), and when it is offered in response to the receiver's virtues, not in response to his flaws, weaknesses or moral failures, and not on the ground of his need as such."