in a law suit: P. ἀντίδικος, ὁ or ἡ.
wooer: P. and V. μνηστήρ, ὁ (found in Thuc. and Plato but only in reference to the Odyssean suitors), V. παλαιστής, ὁ (Aesch., Agamemnon 1206).