Misemploy, v. t.
To employ amiss; as, to misemploy time, advantages, talents, etc. Their frugal father's gains they misemploy. Dryden.
Shades of meaning
Fernald has no entry of its own for misemploy; he lists it under abuse.
Where he writes about it:
Misemploy, misuse, and pervert are commonly applied to objects rather than to persons. — from abuse