Berean Standard Bible (BSB)
I fear for you, that my efforts for you may have been in vain.
World English Bible (WEB)
I am afraid for you, that I might have wasted my labor for you.
Strong's King James
I am afraid{G5399}{(G5736)} of you{G5209}, lest{G3381}{G4458} I have bestowed{G2872} upon{G1519} you{G5209} labour{G2872}{(G5758)} in vain{G1500}.
The F.O.G *
(11) I fear for you that somehow I've laboured for you in vain.
The F.O.G Message *
Young's Literal Translation
I am afraid of you, lest in vain I did labour toward you.