What is a "tenant's guarantor"?

A tenant's guarantor is specifically someone who agrees to assume financial responsibility and pay the rent if the tenant is unable to do so, typically in cases of default or non-payment. This role is crucial, especially for landlords who may be concerned about a tenant's financial stability or creditworthiness. By having a guarantor, the landlord has an additional layer of security ensuring that they will receive the agreed-upon rent, adding a sense of reliability to the leasing arrangement.

In contrast, the other roles described in the options do not align with the function of a guarantor. A person responsible for maintenance costs focuses on the upkeep of the property rather than financial commitments. A mediator serves to facilitate communication and resolve disputes between the landlord and tenant but does not provide financial backing. Lastly, a real estate agent managing leasing deals with the business aspect of rental properties but does not take on the financial obligations of a tenant. Thus, option B accurately represents the definition of a tenant's guarantor.