oblige, owe someone one, import, obligate, requite, need, return, cover, behove, reoblige, more...

credit, own, possess, repay, settle

owe money, owe a favor, owe a debt, owe a duty, owe a grudge, owe a favor to, owe a debt to, more...

ow a,   be a borrower,   be in debt,   make indebted,   has to pay back,   be in arrears,   "i you one",   to be in debt,   be indebted,   have chits out