Answer: ensurer

AnswerCrossword Clue
ENSURERGuarantor
ENSURERGuarantor.
ENSUREROne who guarantees.
ENSURERGiver of a guarantee.
ENSURERLloyd's of London, for example.
ENSUREROne who guarantees
ENSURERHe gives a guarantee
ensurerone that ensures (to make sure (free from doubt))