Lift up your eyes. The verb is fern. sing; the pronoun (in suffix form) masc. plu,—a clear indication that the person addressed is a collective. Probably the "daughter of Zion" is intended, which, in a certain sense, might be called the "shepherd" or leader of the rest of the nation.
From the north. Again this horror of the north as the source of calamity (see on Jeremiah 14:1-22).