Word Study
blighter
OXFORD DICTIONARY
blighter, n. Brit. colloq. a person (esp. as a term of contempt or disparagement).
Etymology
BLIGHT + -ER(1)
THESAURUS
blighter
Bowery bum, beachcomber, beggar, beggarly fellow, budmash, bum, bummer, caitiff, derelict, devil, drifter, drunkard, good-for-naught, good-for-nothing, hobo, human wreck, lowlife, mauvais sujet, mean wretch, mucker, no-good, pauvre diable, pilgarlic, poor creature, poor devil, sad case, sad sack, skid-row bum, stiff, sundowner, swagman, tramp, truant, vag, vagabond, vagrant, vaurien, wastrel, worm, worthless fellow, wretchFor further exploring for "blighter" in Webster Dictionary Online