garant

/ɡa.ʁɑ̃/
1.
nounmasculineSing

guarantor (a person who guarantees someone’s obligations, e.g. for a lease or a loan)

Mon père s'est porté garant pour mon nouvel appartement.

My father acted as a guarantor for my new apartment.

2.
nounmasculineSing

guarantor; guardian (an institution or person that guarantees or safeguards a principle, right or public value)

L'État est le garant des libertés publiques.

The State is the guarantor of public liberties.