As used in this part:

1. (1) “Dealer” means any person or entity:

   1. (A) Engaged in the business of buying, selling, or exchanging vehicles of a type required to be registered for operation in this state; and
   2. (B) Who is licensed by this state or another state for the purposes of engaging in such business;
2. (2) “Lienholder” means any person or entity who holds a conditional sale contract, conditional lease, chattel mortgage, or other lien or encumbrance upon a vehicle of a type subject to registration in this state, other than a lien dependent upon possession; and
3. (3) “Purchaser” means any person or entity who has acquired ownership of a vehicle which is required to be registered for operation in this state.