Crossword Clue:

CONVERSER one who engages in conversation

AnswerCrossword Clue
CRIMELABANALYSTOne who engages in fingerprinting
KINDERGARTENEROne who engages in finger painting
POLICEINFORMEROne who engages in finger-pointing
DEIPNOSOPHISTOne who excels at table conversation