KJV - I am afraid of you, lest I have bestowed upon you labour in vain.

ASV - I am afraid of you, lest by any means I have bestowed labor upon you in vain.

BBE - I am in fear of you, that I may have been working for you to no purpose.

WEB - I am afraid for you, that I might have wasted my labor for you.

YLT - I am afraid of you, lest in vain I did labour toward you.

Notes