[Meaning he/she/it] used to reproach, used to blame.[1] "And as for him, nobody who had ever been one of his friends used to call him out either on his excuses for his sloth, nor on any of the degenerate postponements in his affairs, nor on the insouciance that sprang from his indolence or cowardice. He, though, used to call out many of his friends on such charges."[2] Meaning used to reproach [them].
And elsewhere: "they used to call him out as a destroyer of the youth, even labeling him a speaker of obscenities."[3]