Brief Summary: John is writing with his usual strong emphasis on truth to this much-loved brother in Christ, Gaius, a layman of some wealth and distinction in a city near Ephesus. He highly commends Gaius' care and hospitality to his messengers whose mission was to take the Gospel from place to place, whether they were known to him or were strangers.
Maiksing Pagbubuod: Sumulat si Juan taglay ang likas na pagbibigay diin sa katotohanan habang pinapupurihan ang kanyang minamahal na kapatid sa Panginoon na si Gayo, isang kilala at may kayang manggagawa sa isang siyudad malapit sa Efeso. Pinuri niya ang ginagawa nitong pagpapatuloy sa mga naglalakbay na mangangaral ng Ebanghelyo kakilala man niya o hindi.