When it comes to the term "distruster," there are a few different synonyms that one could use to convey a similar meaning. For instance, instead of using "distruster," one might opt for "skeptic," "mistrustful individual," or "doubter." Each of these terms suggests that the person in question is hesitant to believe or trust others, indicating a certain level of caution or wariness. Other possible synonyms for "distruster" might include "cynic," "suspicious person," or "disbeliever," each of which implies a certain amount of skepticism or disbelief in others' motives and intentions. Ultimately, the choice of synonym will depend on the context and tone of the piece in which it is used, as well as the precise connotations that the writer wishes to convey.