NET
18 For these are the kind who do not serve our Lord Christ, but their own appetites. By their smooth talk and flattery they deceive the minds of the naive.
Darby
18 For such serve not our Lord Christ, but their own belly, and by good words and fair speeches deceive the hearts of the unsuspecting.
KJV
18 For they that are such serve not our Lord Jesus Christ, but their own belly; and by good words and fair speeches deceive the hearts of the simple.