Это я написал вам об обольщающих вас.
I am writing these things to you about those who are trying to lead you astray.
I write these things to you about those who are trying to deceive you.
These things I have written to you concerning those who are trying to deceive you.
I am writing these things to warn you about those who want to lead you astray.
These things have I written unto you concerning them that seduce you.
These things I have written to you concerning those who try to [f]deceive you.
These things have I written to you concerning those who lead you astray: