Word: hacker

n

• a programmer for whom computing is its own reward; may enjoy the challenge of breaking into other computers but does no harm; "true hackers subscribe to a code of ethics and look down upon crackers"
• a programmer who breaks into computer systems in order to steal or change or destroy information as a form of cyber-terrorism
• one who works hard at boring tasks
• someone who plays golf poorly

PROTOTYPE PAGE, Source: WordNet