συστασιάζω
From LSJ
οὐδ' ἄμμε διακρινέει φιλότητος ἄλλο, πάρος θάνατόν γε μεμορμένον ἀμφικαλύψαι → nor will anything else divide us from our love before the fate of death enshrouds us (Apollonius of Rhodes, Argonautica 3.1129f.)
English (LSJ)
A join in faction or sedition, Th.4.86, Lys.30.11, etc.; τοῖς κληρικοῖς Jul.Ep.114. II trans., band together for seditious purposes, τινας D.C.36.16.