ἄλογον δὴ τὸ μήτε μάχης ἄρξασθαι μήτε τοὺς φίλους φυλάξαι, ἐὰν ὑπό γε τῶν βαρβάρων ἀδικῆσθε → It is irrational neither to begin battle nor to guard the friends, if you are ever wronged by the foreigners
separately: P. and V. χωρίς, δίχα.
privately: P. and V. ἰδίᾳ (Euripides, Supplices 129).
independently of: see apart from.