How many letters does the top answer for “a person who is gullible and easy to take advantage of” have?

The most common answer is chump (5 letters).

Crossword clue: a person who is gullible and easy to take advantage of

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

chump 5 letters wn-def

a person who is gullible and easy to take advantage of

patsy 5 letters wn-def

a person who is gullible and easy to take advantage of

sucker 6 letters wn-def

a person who is gullible and easy to take advantage of