If I remember correctly, even with 0 stats and naked, blocking with fists and kicking the pest should work, should they be only one. Of course, you are not used to these actions when playing for first time.

First few nights, if Hugin's messages were unclear, and you are still freezing outside, best is to crouch backed to a large rock, or half hidden in the middle of very closed trees, or just on a flat rock several meters from the shorline. The important thing is to break those Lines of Sight. However, if you happen to annoy a pair of boars by day, or if Eykthir sends his beasts...