There are several synonyms that can be used to describe someone or something that is undeserving of public support. These include words like unworthy, unmerited, unjustified, and undeserving. These words convey that the person or thing in question has not earned or does not deserve the support of the public. Other synonyms include words like unsuitable, inadequate, and incompetent, which suggest that the person or thing is not capable of fulfilling the needs or desires of the public. In some cases, words like disreputable, dishonorable, and untrustworthy may also be used to describe someone who is undeserving of public support due to their questionable ethics or conduct.