insurer

insurer
    n 1: a financial institution that sells insurance [syn:
         {insurance company}, {insurance firm}, {insurer},
         {insurance underwriter}, {underwriter}]
    

Insurer \In*sur"er\, n.
   One who, or that which, insures; the person or company that
   contracts to indemnify losses for a premium; an underwriter.
   Insurgence
    

INSURER, contracts. One who has obliged himself to insure the safety of 
another's property, in consideration of a premium paid, or secured to be 
paid, to him. It is his duty to pay any loss which has arisen on the 
property insured. Vide Marsh. Ins. Index,.h. t.; Park. Ins. Index, h. t. 
Phill. Ins. h. t.; Wesk. Ins. h. t.; Pardess. Index, art. Assureur. 
    

26 Moby Thesaurus words for "insurer":
      approver, bailsman, bondsman, certifier, confirmer, cosignatory,
      cosigner, endorser, godfather, godparent, guarantee, guarantor,
      guaranty, mainpernor, mortgagor, notary, notary public, party,
      ratifier, signatory, sponsor, subscriber, surety, underwriter,
      upholder, warrantor