those that. As in Joh_17:11, all the texts put the relative in the singular, and read "in Thy name that Thou gayest Me, and I kept them".
have kept = kept (Greek. phulasso), i.e. guarded. Compare Luk_2:8 (keep watch). 1Jn_5:21. Not the same word as in former clause and Joh_17:6.
of = out of. Greek. ek.App-104.
lost. Greek apollumi. Occurs twelve times in John: Joh_6:12, Joh_6:39; Joh_12:25; Joh_17:12; Joh_18:9 (lose); Joh_3:15, Joh_3:16; Joh_6:27; Joh_10:28; Joh_11:50 (perish); Joh_10:10 (destroy); Joh_18:14 (die). Used of the doom of the sinner. One of the strongest words in the Greek language to express final and irretrievable destruction.
but = except. Greek. ei me.
the son, &c. This expression occurs here and 2Th_2:3 (the Antichrist). Used in the Septuagint in Isa_57:4, "children of transgression". Compare Mat_9:16; Mat_13:38; Mat_23:15. Luk_16:8. Act_13:10. Eph_2:2, in all which passages "child "should be "son".
perdition. Greek. apoleia, a kindred word to apollumi. Occurs twenty times. Only here in John. First occurance. Mat_7:13.
the scripture, &c. This expression occurs five times in John, here, Joh_13:18; Joh_19:24, Joh_19:28, Joh_19:36.