-ist

(Greek > Latin: a suffix; one who believes in; one who is engaged in; someone who does something)

annihilationist (s) (noun), annihilationists (pl)
annualist
anomalist (s) (noun), anomalists (pl)
Someone who has a special interest in exceptional issues or peculiar situations.
antagonist
1. One who opposes and contends against another; an adversary.
2. The principal character in opposition to the protagonist of a narrative or drama.
3. Something opposing or resisting the action of another; certain structures, agents, diseases, or physiologic processes that tend to neutralize or impede the action or effect of others.
4. In biochemistry, a chemical substance that interferes with the physiological action of another; especially, by combining with and blocking its nerve receptor.
anthologist (s) (noun), anthologists (pl)
1. An editor who makes selections for a collection of literary passages or works; especially, poems, by various authors.
2. Someone who is a compiler of a collection of artistic works which have a similar form or subject, often those considered to be the best.
anthropologist (s) (noun), anthropologists (pl)
1. Someone who pursues the science of mankind: Efforts to establish the geographic origins of the different peoples have been supported with methods developed by biological scientists, particularly those concerned with the study of human heredity.
2. Anyone who is professionally involved in, or versed in, the study of the human species and their ancestors: Anthropologists have made considerable use of information provided by archaeologists in their attempt to understand the origins of modern customs, art, and social and political life.

Anthropologists seek to study and to interpret the special characteristics of any particular population or activity in terms of its time and place in the total history of mankind.

anthropomantist (s) (noun), anthropomantists (pl)
Someone who foretells the future by examining the entrails of a person during a sacrifice or a slaughter.
anthropometrist (s) (noun), anthropometrists (pl)
Someone who measures the human body, or its parts, to determine height, limb lengths, skin fold thickness, etc.
anthropomorphist (s) (noun), anthropomorphists (pl)
1. Someone who regards the human form or other human attributes to a deity or to anything not human.
2. A person who attributes a human personality to God, to abstract ideas, to other animals, etc.
anthroponomist (s) (noun), anthroponomists (pl)
A specialist in the science of human behavior.
anthroposophist (s) (noun), anthroposophists (pl)
Someone who is constantly working to have a better comprehension of the moods and spirits of humans.
anthropotomist (s) (noun), anthropotomists (pl)
Someone who specializes in anthropotomy, or human anatomy.
antiabortionist (s) (noun), antiabortionists (pl)
A person who is opposed to medical terminations of pregnancies and expulsions of embryos or of fetuses: Antiabortionists are against surgical or medicinal procedures that terminate a pregnancy by removing the fetus (unborn baby) which is a non-contraceptive form of birth control.
anti-feminist, antifeminist; anti-feminism, antifeminism
1. Anyone who is opposed to women or to feminism (advocacy of the rights of women; based on the theory of equality of the sexes); a person (usually a man) who is hostile to sexual equality or to the advocacy of women's rights.
2. Of, pertaining to, someone who is against the idea of the equality of the sexes or any of various beliefs antagonistic to feminism and a belief in the superiority of men over women.
antiloquist
Someone who contradicts.