vt. 代替, 取代

[ verb ]
substitute one creditor for another, as in the case where an insurance company sues the person who caused an accident for the insured
<verb.possession>

Subrogate \Sub"ro*gate\, v. t. [L. subrogatus, p. p. of
subrogare. See {Surrogate}.]
To put in the place of another; to substitute. --Barrow.