repugnatorius
From LSJ
ἀλλ᾽ ἀμφὶ τοῖς σφαλεῖσι μὴ 'ξ ἑκουσίας ὀργὴ πέπειρα → to those who err in judgment, not in will, anger is gentle | men's wrath is softened toward those who have erred unwittingly
Latin > English (Lewis & Short)
rĕpugnātōrĭus: a, um, adj. id.,
I of or pertaining to resistance, defensive: res, means of defence, Vitr. 10, 22.