A fugitive flees; a braggart boasts/brags. A parasite does not foster (A) or
promote anything, but lives off another. A sage is one who is wise, not one who
stifles (C), i.e. suppresses, anything. A bystander does not procure (D) or obtain
anything, but stands by and may observe an event. A firebrand incites others to
action but does not quibble (E), i.e. dispute, anything.
Answer: B