Answer:
by calling the fish a “well-oiled ship of the wind” and the “the only / true / machine / of the sea”.
Because it helped get what was needed
The terms insider and outsider generally refer to people's relation to particular socio- cultural spaces. An insider is usually someone who 'belongs' and is mentally and bodily attuned to a specific socio-cultural space. The insider is someone who perceives that this collective order of things is their own. Hope this Helps !!!
