When someone loses faith, it can be a difficult and life-changing experience. However, using synonyms can help add variety to your writing or speech. Here are some examples of synonyms that could be used: loses confidence, loses trust, loses belief, loses conviction, loses hope, loses optimism, loses assurance, loses reliance, loses credit, and loses conviction. Each of these words can help to convey a slightly different meaning or nuance. For example, losing confidence might suggest a loss of self-assurance, whereas losing trust might indicate a loss of belief in others. Regardless of which synonym you choose, each word reflects a loss of faith and the challenges that come with it.