noun
or prac·tis·er -sə(r)
( -s )
Etymology: Middle English practisour, from practisen + -our -or
: one that practices: as
a. : one that exercises a profession : practitioner
b. : a habitual performer of a particular act
man as a maker and practicer of culture — T.D.McCown
especially : an adherent of a faith or code of behavior
a practicer of yogi
c. : schemer , plotter