King James Version
Have I committed an offence in abasing myself that ye might be exalted, because I have preached to you the gospel of God freely?English Standard Version
Or did I commit a sin in humbling myself so that you might be exalted, because I preached God's gospel to you free of charge?New International Version
Was it a sin for me to lower myself in order to elevate you by preaching the gospel of God to you free of charge?