Strong G480 ἀντίκειμαι antikeimai · be an opponent

Luke

1. Luke 13:17
   And when he had said these things, all his adversaries were ashamed: and all the people rejoiced for all the glorious things that were done by him.
2. Luke 21:15
   For I will give you a mouth and wisdom, which all your adversaries shall not be able to gainsay nor resist.