ἀφεκτέον
From LSJ
Ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → Life is not worth living if you do not have at least one friend.
English (LSJ)
(ἀπέχομαι)
A one must abstain from, τινός X.Mem.1.2.34; τροφῆς Porph.Abst.1.38, etc.; one must leave alone, τινός Gal. 17(2).359: so in pl. ἀφεκτ-τέα, Ar.Lys.124; cf. ἀποσχετέον.