Answer:

enterer

Answer	Crossword Clue
ENTERER	One who came in
ENTERER	Keyboard user, often
ENTERER	Computer keyboardist

ENTERER	One coming onstage
ENTERER	Incoming one.
ENTERER	Bookkeeper.
ENTERER	Joiner.
ENTERER	Newly arrived student.
ENTERER	Textile machine part.
ENTERER	New member.
ENTERER	Ledger keeper

ENTERER	Bookkeeper, at times
ENTERER	Contestant
ENTERER	Computer-terminal worker, e.g.
ENTERER	Computer typesetter
ENTERER	One on the way in
ENTERER	One matriculating
ENTERER	Typist, at times
ENTERER	Revolving-door figure

ENTERER	Logger
ENTERER	Incoming one
ENTERER	Logger without an ax?
ENTERER	One with a log
ENTERER	Data analyst, at times
ENTERER	One providing input

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.