Sentence:  "Atheists." One who does not believe in the existence of a Supreme Being, an <WSD>atheist</WSD>, is incompetent as a witness, being incapable of being sworn. ... Changed by Acts of 1851, No. 12 (P. S. 1593), under which, no question can be raised as to a witness's "opinions on matters of religious belief." 
Meaning of the word marked with <WSD> tags:  A person who does not believe in deities.