cad:
(plural: ‘cads‘; pronunciation: the letter ‘c’ is said with a ‘k’ sound as in “king”)
a cad, being harsh with a woman
a man who does not behave well — honourably, honestly and responsibly — with others, especially the one who is not polite with or caring for women;
a scoundrel;
a servant at a school or other educational institution;
also a local boy in a town,
Robin is such a cad that no girl likes to go out with him; he doesn’t even open doors for ladies!
The cad at our school is a nice fellow; he runs errands to anyone who is good with him.
