γνωστῆρας ἐμοὶ προσαγαγὼν καὶ ἐγγυητὰς ἦ μὴν πορεύσεσθαι σὺν τῇ στρατιᾷ,
ἦ μὴν is optional and may be left out. The inf πορεύσεσθαι defines ἐγγυητὰς: warrantors of going with the army.
γνωστῆρας ἐμοὶ προσαγαγὼν καὶ ἐγγυητὰς ἦ μὴν πορεύσεσθαι σὺν τῇ στρατιᾷ,
ἦ μὴν is optional and may be left out. The inf πορεύσεσθαι defines ἐγγυητὰς: warrantors of going with the army.