-ist

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

heortephilist
A collector of heart shapes.
hepatologist
herborist
heresiologist
A student or specialist of heresies.
hermeneutist (s) (noun), hermeneutists (pl)
Someone who interprets literary or scriptural texts: Adam was a well-known hermeneutist of theology at the university.
herpetologist
heuristics (pl) (noun) (used with singular verb)
Any of various problem-solving techniques that involve the use of subjective knowledge, hunches, trial and error, rule of thumb, and other such informal but generally considered to be accurate methods.
hierarchist
An adherent or supporter of a hierarchy.
hieroglyphist
A writer of hieroglyphs; one versed in hieroglyphs.
hieroglyphologist
1. Someone who studies hieroglyphics.
2. A person who is versed and who writes in hieroglyphics.
3. A specialist in hieroglyphical presentations.
hierogrammatist
A writer of hierograms (sacred symbols); also, one skilled in hieroglyphics.
hierologist
Someone who is versed in, or who studies, hierology.
hieromantist
1. Someone who divines the future with the observation of objects offered in religious sacrifices, or from sacred things.
2. A person who divines with sacrificial remains or sacred objects; by observing the things offered as sacrifices; including entrails of sacrifices.
hierotherapist
Someone who treats people who have diseases with the use of prayers and religious practices.
hippodamist
1. A horse tamer.
2. A city planner (from Hippodamus, a fifth-century Greek architect, who planned the first Greek city.