Claude Frollo had always stayed away from women. But now he seemed to hate them— especially gypsy women. He had asked the bishop to forbid gypsies from dancing in the square. He was outraged when the bishop refused. For some reason he seemed to be out for revenge. He began to collect information about all the wizards and witches who’d been burned or hanged in the past.
Dose it mean: He began to take revenge openly.