食客 /shíkè/ angolul

freeloader [freeloaders]▼(one who does not contribute or pay appropriately)
noun
[UK: ˈfriːˌlo.də(r)] [US: ˈfriːˌlo.dər]

parasite [parasites]▼(useless person who always relies on other people's work and gives nothing back)
noun
[UK: ˈpæ.rə.saɪt] [US: ˈpe.rə.ˌsaɪt]