auction- purchaser. 16. The distinction between a stranger who purchases at an auction sale and an assignee from a decree-holder purchaser at an auction sale is quite clear. Persons who purchase at a court auction who are strangers to the decree are afforded protection by the court because they are not in any way connected with the decree. Unless they are assured of title; the court auction would not fetch a good price and would be detrimental to the decree-holder. The policy, therefore, is to protect such purchasers. This policy cannot extend to those outsiders who do not purchase at a court auction. When outsiders purchase from a decree-holder who is an auction-purchaser clearly their title is dependent upon the title of decree-holder auction-purchaser. It is a defeasible title liable to be defeated if the decree is set aside. A person who takes an assignment of the property from such a purchaser is expected to be aware of the defeasibility of the title of his assignor. He has not