Answer: laggard

AnswerCrossword Clue
LAGGARD

Person failing to keep up

LAGGARD

Slowpoke

LAGGARD

Time waster

LAGGARD
Dilatory
LAGGARD
Slowpoke.
LAGGARDDilatory.
LAGGARDSluggish
LAGGARDStraggler
LAGGARDSlow person
LAGGARDLoiterer
LAGGARDHabitual last man
LAGGARDTen o'clock scholar, e.g.
LAGGARDDilatory one