A "mocker" is a person who makes fun of or belittles others by imitating them or teasing them. They might mock someone's appearance, behavior, or opinions to make others laugh or feel superior. Full definition
Others who overtly accepted this position were no doubt really mockers of the faith. (religion-online.org)
«The fact remains that there is still a large gap in the quality of active ingredients being used even in natural products,» Mocker says. (petbusiness.com)
Although he often expressed this vision obliquely, he was relentless in his criticism of those who despised faith as an anachronism: «I am not afraid to say that a devout and God - fearing man is superior as a human specimen to a restless mocker who is glad to style himself an «intellectual,» proud of his cleverness in using ideas which he claims as his own though he acquired them in a pawnshop in exchange for simplicity of heart.... (firstthings.com)