Except for bidding on its own auction, every type of account has the right to bid in any auction. All types of listener accounts can join any auction for bidding.
A Collector Account is defined as any account after winning first auction and complete the payment, his/her/their account will be recognized as a Collector Account.
Collector Account will receive his/her/their NFT in his/her/their wallet.
Collector Account then can begin holding any auction for his/her/their owned NFT.
Collector can not bid on their owned auction.