hostage(n = noun.person) surety - a prisoner who is held by one party to insure that another party will meet specified terms;
is a kind of captive, prisoner
A person given as a pledge or security for the performance of the conditions of a treaty or stipulations of any kind, on the performance of which the person is to be released. [1913 Webster]
"Your hostages I have, so have you mine;
And we shall talk before we fight." [1913 Webster]
"He that hath a wife and children hath given hostages to fortune." [1913 Webster]
hostage, n.
1 a person seized or held as security for the fulfilment of a condition.
2 a pledge or security.
Idiom:
a hostage to fortune an acquisition, commitment, etc., regarded as endangered by unforeseen circumstances.
Derivative:
hostageship n.
Etymology:
ME f. OF (h)ostage ult. f. LL obsidatus hostageship f. L obses obsidis hostage
N prisoner, prisoner of war, POW, captive, inmate, detainee, hostage, abductee, detenu, close prisoner, jail bird, ticket of leave man, chevronne, imprisoned, in prison, in quod, in durance vile, in limbo, in custody, doing time, in charge, in chains, under lock and key, under hatches, on parole.
N security, guaranty, guarantee, gage, warranty, bond, tie, pledge, plight, mortgage, collateral, debenture, hypothecation, bill of sale, lien, pawn, pignoration, real security, vadium, stake, deposit, earnest, handsel, caution, promissory note, bill, bill of exchange, I, O, U, personal security, covenant, specialty, parole, acceptance, indorsement, signature, execution, stamp, seal, sponsor, cosponsor, sponsion, sponsorship, surety, bail, mainpernor, hostage, godchild, godfather, godmother, recognizance, deed of indemnity, covenant of indemnity, authentication, verification, warrant, certificate, voucher, docket, doquet, record, probate, attested copy, receipt, acquittance, quittance, discharge, release, muniment, title deed, instrument, deed, deed poll, assurance, indenture, charter, charter poll, paper, parchment, settlement, will, testament, last will and testament, codicil, bonis avibus, gone where the woodbine twineth.