* He was involved in the Roanoke Colony failure. Raleigh was the main backer of the Roanoke Colony, which was established in 1585. The colony disappeared under mysterious circumstances, and Raleigh was blamed for its failure.
* He was associated with piracy. Raleigh was a privateer, which was essentially a government-sanctioned pirate. He attacked Spanish ships and stole their treasure. This made him enemies with Spain, and it also damaged his reputation in England.
* He was arrogant and ambitious. Raleigh was a very intelligent man, but he was also very ambitious and arrogant. He often made enemies with his arrogance, and this ultimately led to his downfall.