转购人 meaning in English

sub-purchaser

On full payment of the balance of the purchase money in the manner provided herein , the vendor and all other necessary parties ( if only ) shall execute a proper assignment to the purchaser ( or his nominee or sub - purchaser ) in accordance with this agreement but otherwise free from incumbrances
当买主按照合约规定缴清购买价馀款后，卖主和所有其他必要的各方(如有的话)必须签立妥当的转让契约给买主(或其代名人或转购人) ，转让契约须按照协议签立，但除此之外并不受任何产权负担的规限。