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

routinist (s) (noun)
royalist (s) (noun), royalists (pl)
Someone who supports the royal family or who thinks that their own country should have a king or queen: Lynn's parents could be termed royalists because they tried to see the royalties what came to visit Canada.
ruralist (s) (noun), rualists
1. Someone who resides or lives in a country area instead of towns or cities.
2. A person who advocates or considers living in the country is better than being in cities where so many people are living.
A collector of wrapped lumps of sugar.
sacerdotalist (s) (noun), sacerdotalists (pl)
Anyone who has a religious belief that priests are essential mediators between God and humankind: Melanie's elderly aunt was a sacerdotalist and often asked her priest to visit her for prayer and comfort.
sacramentalist (s) (noun), sacramentalists (pl)
Someone who believes in or uses symbolic rites, acts, or objects; specifically, with the belief that such practices are inherently efficacious and necessary for one's salvation: Despite her confidence in her pastor, Dora felt that sometimes his emphasis on sacramentalists was too excessive for her comfort.
salvationist (s) (noun), salvationists (pl)
1. A member of the Salvation Army.
2. Someone who preaches salvation, deliverance from sin, etc., and the means of obtaining it; an evangelist or preacher.
A collector of military uniforms.
Someone who worships saints.
A biologist who studies saprobic environments or a reference to organisms that obtain their food directly from decaying organic material.
satirist (s) (noun), satirists (pl)
1. Someone who uses satire; especially, a writer of satirical works.
2. A person who writes or performs satires
1. Someone who studies fecal excrement; as in medicine, paleontology, or biology.
2. Anyone who has an obsession with excrement or excretory functions.
3. A reference to a person who resorts to obscene language or literature; especially, that dealing pruriently or humorously with excrement and excretory functions.
1. An advocate of secularism; someone who believes that religion should be excluded from government and education.
2. Generally a reference to an ideology that promotes the secular; as opposed to the religious, particularly within the public sphere.
seditionist (s) (noun), seditionists (pl)
A person who conducts or incites a rebellion against the authority of an established government.