For they themselves [the ma'aminim b'Moshiach in Macedonia and Achaia] are reporting about us, what sort of initial reception we had with you, and how you made teshuva, turning to Hashem from elilim (idols), from avodah zarah (idol worship), turning to worship the Elohim Chayyim and Elohei Emes (the Living G-d and the True G-d),