The term "Sacrilegist" refers to a person who commits sacrilege, which means violating something sacred or holy. Synonyms for this term would include "blasphemer," "desecrator," "profaner," and "irreverent." Other similar words that can be used to describe a person who commits such acts include "scoffer," "heathen," "infidel," and "godless." Such people are seen as disrespectful towards religious items, traditions, or beliefs and may be viewed negatively by those who follow such beliefs. The use of these synonyms can help to express the severity of such actions and their impact on those who hold religious beliefs.