Complex sentence: Sparrow is one of the Brethren Court, the Pirate Lords of the Caribbean Sea and can be treacherous, surviving mostly by using wit and negotiation rather than weapons and force; although he will fight if necessary, he tries to flee most dangerous situations.
Split into simpler sentences: Sparrow is one of the Brethren Court, the Pirate Lords of the Caribbean Sea. He can be treacherous, surviving mostly by using wit and negotiation rather than weapons and force; although he will fight if necessary, he tries to flee most dangerous situations.