Yes, it is possible that the UK government may provide assistance to British citizens who are stranded abroad and need help returning to the UK. This assistance may take the form of a repatriation loan, which is a temporary loan that is intended to help cover the costs of returning to the UK.
Repatriation loans are typically offered to British citizens who are in financial hardship and are unable to pay for their own return to the UK. They may be available through the Foreign, Commonwealth, and Development Office (FCDO) or through other government agencies.
To be eligible for a repatriation loan, you will typically need to be a British citizen and meet certain financial criteria. You will also need to have a valid passport and be able to demonstrate that you have no other means of returning to the UK.
If you are a British citizen and are stranded abroad and need assistance returning to the UK, you should contact the FCDO for more information about your options. You can find contact information for the FCDO on their website or by contacting the British embassy or consulate in the country where you are located.