bottom feeder
noun
plural
bottom feeders
plural
bottom feeders
Britannica Dictionary definition of BOTTOM FEEDER
[count]
1
:
a fish that feeds at the bottom of a lake, pond, etc.
2
US, disapproving
:
someone who uses other people's troubles, weakness, etc., as an opportunity to make money
3
US, informal
:
someone or something that has a very low status or rank