Coffman Commentaries on the Bible - 2 Corinthians 8:19
And not only so, but who was also appointed by the churches to travel with us in the matter of this grace, which is ministered by us to the glory of the Lord, and to show our readiness.These are further remarks about the "brother" whose fame through all the churches was in the gospel. Luke was Paul's constant traveling companion; and in the word here that the churches had appointed someone to travel with Paul, there is strong inferential support for the view that he was none other than Luke.... read more
E.W. Bullinger's Companion Bible Notes - 2 Corinthians 8:19
also chosen = chosen also. chosen . Greek. cheirotoneo . See Acts 14:22 . of = by. Greek. hupo . App-104 . to travel with us = as our fellow traveller. Greek. sunekdemos . See Acts 19:29 . with . Greek. sun . App-104 . The texts read en . administered . Greek. diakoneo . App-190 . by . Greek. hupo , as above. to = with a view to. Greek. pros. App-104 . This depends on "chosen". The object of Paul's having a companion was to avert suspicions, which would tarnish the Lord's glory... read more