Rap star Xzibit has signed an endorsement deal with athletic footwear manufacturer Dada to produce shoes. The line named "Pimp Your Kicks," alluding to Xzibit's role as host of the MTV show Pimp My Ride, became available in late 2005. Dada hopes Xzibit will act as a(n) _____ and influence consumers to buy the shoes. a. opinion leader b. innovator service c. provider target d. recipient referential mentor