Swedish - kall • • • > Østfoldsk - kæll - guy, husband
It's not only related to German 'Kerl' and Dutch 'kerel' (guy; dude) but also to the name 'Charles'.
'Carolus', the Latin ancestor of 'Charles', was borrowed from a Germanic word meaning "freeman", a variant of which became 'churl':
Swedish - kall • • • > Østfoldsk - kæll - guy, husband