οὐκ ἔστιν χαίρειν τοῖς ἀσεβέσιν → no rest for the wicked, no peace to the wicked
Use adj., Ar. and P. δικανικός.
advocate: P. and V. συνήγορος, ὁ, or ἡ, σύνδικος, ὁ, or ἡ, P. παράκλητος, ὁ.