studier
/ˈstʌdɪə/noun
1A person engaged in or dedicated to the pursuit of knowledge; a scholar. Formerly also: †a person receiving formal instruction at a school or university; a student (obsolete ).
2With of, †in, or modifying word: a person who studies the specified subject or field.
Origin
Late Middle English; earliest use found in John Trevisa (c1342–?1402), translator. From study + -er.