The term "cashing on" refers to the act of exploiting or taking advantage of a situation for one's benefit. There are several antonyms for this word that denote the opposite attitude or behavior. For instance, the word "selfless" signifies the quality of altruistic behavior, where one thinks of others before oneself. Another antonym for cashing on is "benevolent," which pertains to kind or charitable acts. The term "unselfish" also refers to an individual who puts others' interests ahead of their own. Meanwhile, "philanthropic" is a word that pertains to individuals or organizations that engage in humanitarian or charitable endeavors, without expecting anything in return.