Final answer:
An individual who works for a non-profit helping homeless people is likely a reliable source regarding funding issues due to their direct experience, despite potential biases due to their organizational affiliation.
Step-by-step explanation:
Assessing the reliability of a source is crucial when it comes to understanding the context and potential bias behind the information provided. In the case of an individual who works for a non-profit aiding homeless people who states that funding is tight and additional taxes would help the program, there is a basis to consider them a reliable source on this specific matter. This person is likely to have direct experience and insight into the funding issues faced by the non-profit and the impact that additional resources could have on their ability to help those in need find permanent residence.
However, it's also important to recognize that they might have a vested interest in securing more funds, which could introduce a potential bias in their statement. But this does not necessarily detract from their expertise or invalidate their perspective, particularly if their account corresponds with known issues like affordable housing for the homeless, the complexities of addressing substance abuse and mental illness among the homeless population, and the bureaucratic challenges faced in creating supportive housing. Their experience within the non-profit sector specifically addressing homelessness can lend credibility to their statement about the need for additional tax-funded support.