τοὺς φίλους ἐν ἀκινδύνῳ καθιστᾶσι → help friends out of danger
interdŭātim: adv., an old form for interdum,I sometimes, now and then, acc. to Paul. ex Fest. p. 111 Müll. (but the true reading is interdum, Plaut. Truc. 4, 4, 29).
interdŭātim, [arch.] = interdum : P. Fest. 111, 1.