1)
What is the significance of the fact that Yishmael settled in the desert? Moreover, the following Pasuk (21:21) repeats it, adding that he dwelt in Midbar Paran?
1.
Chizkuni: This is in keeping with HaSh-m's earlier description of him as 'Pere Adam' (a wild ass of a man) (16:12). Living in a habitat where wild asses lived therefore suited him perfectly. 1
1
The Rashbam (to 21:21) points out that 'Paran' contains the letters "Pere."
QUESTIONS ON RASHI
2)
Rashi writes: "'A sharpshooter; an archer' (Roveh Kashas) - A shooter of arrows, with a bow." What is Rashi adding?
1.
Gur Aryeh: One does not shoot the bow itself, but rather arrows, using a bow.