Answer: beleaguer

AnswerCrossword Clue
BELEAGUERVex
BELEAGUERSurround with trouble
BELEAGUERBesiege.
BELEAGUERHarass
beleaguerto surround with an army so as to preclude escape; to besiege
beleaguerLay siege to
beleaguerBeset with difficulties