Answer:

decedent

AnswerCrossword Clue
DECEDENTWill writer, at a will reading
DECEDENTFigure in a murder mystery
DECEDENTPerson departed.
DECEDENTWhodunit figure.
DECEDENTSilent partner in a will fight
DECEDENTDead person
DECEDENTWill's writer