One who commits blasphemy; a person who mocks or derides a deity or religion, or claims to be God.(noun)
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Use "blasphemer" in a sentence
"Father, who is "a jealous God," have raised such a blasphemer from the dead and exalted him to His right hand?"
"That he, that sweet and charitable follower of his Master, should be abused by her, should be dubbed blasphemer and have the cherished memory of his mother defiled by her pietistic utterances, was something that inflamed me horribly."
"They that condemned him for a blasphemer were themselves the vilest blasphemers that ever were."