KJV - Have I committed an offence in abasing myself that ye might be exalted, because I have preached to you the gospel of God freely?

ASV - Or did I commit a sin in abasing myself that ye might be exalted, because I preached to you the gospel of God for nought?

BBE - Or did I do wrong in making myself low so that you might be lifted up, because I gave you the good news of God without reward?

WEB - Or did I commit a sin in humbling myself that you might be exalted, because I preached to you God's Gospel free of charge?

YLT - The sin did I do -- myself humbling that ye might be exalted, because freely the good news of God I did proclaim to you?

Notes