κερδήσῃ [8 verses](3rd sg aor subj act) "Gain" is kerdaino, which means "to gain," "to derive profit," "to spare or save oneself," and to "gain an advantage." In a negative sense, it means "to reap a disadvantage from a thing." -- The word translated as "gain" means, interestingly enough, to gain in the sense of gain an advantage and, interestingly enough, "to derive a profit." Jesus only uses it four times, consistently with sense of "benefit" or "win."