what seems to be the brickmakersattitude toward marlow, kurtz and the new gang?

He seems to want to get on the good side of the new arrivals.... one of the reasons Marlowe and the rest consider him the managers spy.

The Brick maker is everything that Marlow detests. He bitterly remarks that Marlow and Kurtz are both “of the new gang, the gang of virtue” meant to bring proper morals and European enlightenment to the colonial activities in Africa.