adversario
From LSJ
μὴ ἐν πολλοῖς ὀλίγα λέγε, ἀλλ΄ ἐν ὀλίγοις πολλά → don't say little in many words, but much in a few words (Stobaeus quoting Pythagoras)
Spanish > Greek
ἀντηρέτης, ἀντικείμενος, ἀντίμαχος, ἀντιπάλαμνος, ἀντιστάτης, ἀντίτυπος, ἀντίφρων, διάδικος, δυσμενής, τὸ διαδικοῦν μέρος