The term includes any person claiming by, through, or under a person described in this subsection.
the interest of an omitted party in the property subject to the sale.
Until an omitted party's interest is terminated as described in this subsection, any owner of the property as a holder of a sheriff's deed executed and delivered under IC 32-29-7-10, or any person claiming by, through, or under such an owner, is the equitable owner of the senior lien upon which the foreclosure action was based and has all rights against an omitted party as existed before the judicial sale.
IC 32-29-8-4