How many letters does the top answer for “member of a vigilance committee” have?

The most common answer is vigilante (9 letters).

Crossword clue: member of a vigilance committee

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

vigilante 9 letters wn-def

member of a vigilance committee

a member of a committee. 67% similar → committeeman

a man who is a member of committee 50% similar → committeeman

a woman who is a member of a committee 50% similar → committeewoman