Englishlecher
noun
lecherous man, libertine, womanizer, seducer, adulterer, debauchee, rake, roué, profligate, wanton, loose-liver, sensualist, sybarite, voluptuary, Don Juan, Casanova, Lothario, Romeo;
pervert;
informal lech, perv, dirty old man, goat, wolf, ladykiller;
dated rip;
formal fornicator.
▷antonyms puritan.
lecher Oxford Dictionary of English