For example, they may miss an important healthcare appointment, not get their waste collected, or miss out on financial support to help pay for their living expenses.
Er enghraifft, efallai y byddant yn methu apwyntiad gofal iechyd pwysig, yn peidio â chasglu eu gwastraff, neu'n colli allan ar gymorth ariannol i helpu i dalu costau byw.