2 John New English Translation (NET Bible)
Introduction and Thanksgiving
1 From[a] the elder,[b] to an elect lady[c] and her children, whom I love in truth[d] (and not I alone, but also all those[e] who know the truth), 2 because of the truth[f] that resides in us and will be with us forever. 3 Grace, mercy, and[g] peace will be with us from God the Father and from[h] Jesus Christ the Son of the Father, in truth and love.
Warning Against False Teachers
5 But now[l] I ask you, lady (not as if I were[m] writing a new commandment[n] to you, but the one[o] we have had from the beginning),[p] that[q] we love one another. 6 (Now this is love: that we walk[r] according to his commandments.) This is the commandment, just as you have heard from the beginning; thus[s] you should walk in it.[t] 7 For[u] many deceivers have gone out into the world, people who do not confess Jesus as[v] Christ[w] coming in the flesh.[x] This person is the deceiver and the antichrist![y] 8 Watch out, so that you do not lose the things we have worked for,[z] but receive a full reward.[aa]
9 Everyone[ab] who goes on ahead and does not remain[ac] in the teaching of Christ[ad] does not have God.[ae] The one who remains in this teaching has both the Father and the Son. 10 If anyone comes to you and does not bring this teaching, do not receive him into your house and do not give him any greeting,[af] 11 because the person who gives him a greeting shares in his evil deeds.[ag]
13 The children of your elect sister greet you.[al]