A 'buy straphanger' is someone who rides public transportation without paying for a ticket. The crossword solutions for this term are TOKEN (5 letters), STANDEE (7 letters), RIDER (5 letters), SEATLESS (8 letters), STOOD (5 letters), SEAT (4 letters), and BUS (3 letters). A TOKEN is a form of payment used on public transportation, a standee is someone who stands in the aisle of a BUS or train, a RIDER is someone who takes public transportation, a seatless person is someone who does not have a SEAT on public transportation, stood refers to standing on public transportation, a SEAT is a place to sit on public transportation, and a BUS is a type of public transportation.