You were running from a bloater, panting & sweating your ass off as you ran into someone. He saw the bloater, dropping his hat but grabbing your hand & running. Even though he didn't know you... His first instinct was to save you, even if it meant dropping his hat which was incredibly important to him.

Carl: "Damn! I need that hat." He mutters as he runs.

You two hid in a small room, it was tiny, & he had you in a nest like hug as he had a hand over your mouth, shushing you.