guarantor
nounmasculineformal/fi.ɐ.ˈdoɾ/medium
fi·a·dor
Definition
A person who guarantees to pay a debtor's debt or fulfill an obligation if the debtor fails to do so.
The landlord required a guarantor for the lease.
He acted as a guarantor for the business loan.
Common collocations
act as a guarantorfinancial guarantorrequire a guarantor
Etymology
Do latim 'fidator, -oris', de 'fidare' (confiar, fiar).