moocher

From mooch +‎ -er.

moocher (plural moochers)

1. (chiefly derogatory) A person having a tendency to take advantage of the help of others, especially if making little effort to help themselves.
   • 2012 September 22, “CNN’s woes: Unbiased and unloved”, in The Economist:

     When Mitt Romney says that 47% of Americans are moochers, or Barack Obama says that entrepreneurs didn’t build their own businesses, partisan viewers crave a partisan response.

• See also Thesaurus:scrounger

• molly moocher