1)
What is the meaning of "va'Yischapes ba'Efer"?
1.
Rashi: This refers to changing garments. He changed his scarf so Achav would not recognize him. Radak - the Targum of ba'Efer is b'Ma'afara (with a scarf).
2.
Radak citing Targum Yonasan: He wrapped his scarf over his eyes; some texts say, over his face.
