Please answer a question about the following article about Kanye West:

Despite his success as a producer, West's true aspiration was to be a rapper. Though he had developed his rapping long before he began producing, it was often a challenge for West to be accepted as a rapper, and he struggled to attain a record deal. Multiple record companies ignored him because he did not portray the gangsta image prominent in mainstream hip hop at the time. After a series of meetings with Capitol Records, West was ultimately denied an artist deal.

What career was Kanye's ultimate dream?
rapper